MetasysRestClient

A PowerShell module that sends HTTPS request to a Metasys device running Metasys REST API.

Features:

Establishes a "session" with a Metasys device so you don't need to send credentials on each call or explicitly manage the access token
Sets boiler plate like Content-Type header for you on each request
Securely stores credentials in secret vault after your first successful login to a Metasys device (requires SecretManagement module and a Secret Vault to be installed and registered)
Provides helper functions to inspect all the results of the previous command
Provides helper functions to deal with responses as PowerShell objects rather than JSON
Provides helper functions to make calling common methods even easier (in progress)

Dependencies

Powershell Core for your OS: See the repository.

Note: Windows PowerShell is not supported
(Optional) Microsoft.PowerShell.SecretManagement
(Optional) Microsoft.PowerShell.SecretStore (or other SecretVault implementation)

Credential Management

If you install and configure SecretManagement and a Secret Vault, your credentials will be securely saved between sessions. See Secret Management.

Prerequisites

This guide assumes you have some familiarity with REST APIs in general and the Metasys REST API specifically.

See the Documentation for the Metasys REST API for more information on what endpoints are available and what their payloads look like.

To become really proficient with this tool you'll want to learn PowerShell. But this guide doesn't assume you know PowerShell and the documentation will be updated to help you do the most common actions.

Metasys REST API Versions

Examples in this README are from v4 of the API. However, Metasys Rest Client works with v2, v3 and v5 as well.

PowerShell References

Installation

From a powershell command prompt:

Install-Module MetasysRestClient -Repository PSGallery

Help

You can discover the commands in the module by ensuring it has been loaded and then inspecting it's contents:

PS > Import-Module MetasysRestClient
PS > (Get-Module MetasysRestClient).ExportedCommands

Key                                 Value
---                                 -----
Clear-MetasysEnvVariables           Clear-MetasysEnvVariables
Connect-MetasysAccount              Connect-MetasysAccount
Get-LastMetasysHeadersAsObject      Get-LastMetasysHeadersAsObject
Get-LastMetasysResponseBodyAsObject Get-LastMetasysResponseBodyAsObject
Get-SavedMetasysPassword            Get-SavedMetasysPassword
Get-SavedMetasysUsers               Get-SavedMetasysUsers
Invoke-MetasysMethod                Invoke-MetasysMethod
Remove-SavedMetasysPassword         Remove-SavedMetasysPassword
Set-SavedMetasysPassword            Set-SavedMetasysPassword
Show-LastMetasysAccessToken         Show-LastMetasysAccessToken
Show-LastMetasysFullResponse        Show-LastMetasysFullResponse
Show-LastMetasysHeaders             Show-LastMetasysHeaders
Show-LastMetasysResponseBody        Show-LastMetasysResponseBody
Show-LastMetasysStatus              Show-LastMetasysStatus
cma                                 cma
imm                                 imm

You can find help on any of the commands using help

help Invoke-MetasysMethod

Quick Start

This section will show you the basics of using Invoke-MetasysMethod. We will cover

Starting a Session
Discovering objects
Reading an object and an attribute
Sending a command
Creating an object

Starting a Session

To get started you need to get logged into a site.

To do this, call Connect-MetasysAccount with no parameters. You'll be prompted for your Metasys host, UserName and Password.

PS > Connect-MetasysAccount

Metasys host: welchoas
UserName: api
Password: *********

Tip

If you wish to control which version of the REST API will be used, you can specify it with the -Version switch.

Connect-MetasysAccount -Version 3

If you don't specify a version, then Connect-MetasysAccount will look for the environment variable $env:METASYS_DEFAULT_API_VERSION. If that variable is not set, it will default to a version. At the time of writing, that version is 5.

Whatever version is used in the call to Connect-MetasysAccount will be used for all other calls in the current session (unless overridden with -Version switch or by specifying a full URL).

Starting a Session without Prompts

If you want to start a session without being prompted for Metasys Host, UserName, and Password you can supply them all as parameters. You should also specify the Version on this first call to be explicit about which version of the API you want. The default value of this parameter is 5.

$password = Get-SavedMetasysPassword -MetasysHost welchoas -UserName api
Connect-MetasysAccount -MetasysHost welchoas -UserName api -Password $password -Version 3

This will start a session using version 3 of the API. You don't need to specify the version for other calls made during this session. Invoke-MetasysMethod remembers what version you requested and uses it for future calls. The Password parameter takes as input a SecureString. Typically you'd want to retrieve it from some secret storage that returns a SecureString. In this example we looked it up using Get-SavedMetasysPassword. See SecretManagement for more details.

Starting a Session using Aliases

Starting with version 2.2.0-rc2 you can use a Configuration File to define aliases and other parameters for all of your hosts. Assuming I had a file in place for a host named r12adsdaily.cg.na.jci.com with an alias of r12 I could type just the following to connect to that host.

cma -Alias r12

Or since Alias is a positional parameter just type

cma r12

Note

You'll still be prompted for a password if this is the first time you are connecting to the host or if you don't have a secret store configured.

Reading Information (GET)

When you want to read information from Metasys you'll normally be doing a GET request. These are the easiest to work with because they only require a URL and nothing else. You can use a relative or absolute url.

Invoke-MetasysMethod /objects

This will invoke the /objects endpoint and display the response body. Notice that we were not prompted for any information because we established a session in the previous step. (If we had skipped that step then we would have been given an error message.)

Click to see the response

{
  "self": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/objects?flatten=false&includeExtensions=true&includeInternal=false&depth=1",
  "items": [
    {
      "self": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962",
      "parentUrl": null,
      "networkDeviceUrl": null,
      "pointsUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/points",
      "objectsUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/objects",
      "alarmsUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/alarms",
      "auditsUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/audits",
      "trendedAttributesUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962/trendedAttributes",
      "itemReference": "welchoas:welchoas/$site",
      "hasChildrenMatchingQuery": true,
      "name": "Site",
      "id": "896f7c45-de4b-5a2c-9084-bceb0ec85962",
      "objectType": "objectTypeEnumSet.siteClass",
      "classification": "site",
      "items": [
        {
          "self": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d",
          "parentUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "networkDeviceUrl": "https://welchoas/api/v4/networkDevices/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "pointsUrl": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d/points",
          "objectsUrl": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d/objects",
          "alarmsUrl": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d/alarms",
          "auditsUrl": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d/audits",
          "trendedAttributesUrl": "https://welchoas/api/v4/objects/c8dd833e-427b-55a1-9f7d-c4f09ea3524d/trendedAttributes",
          "itemReference": "welchoas:welchoas/$site.UserTrees",
          "hasChildrenMatchingQuery": false,
          "name": "User Views",
          "id": "c8dd833e-427b-55a1-9f7d-c4f09ea3524d",
          "objectType": "objectTypeEnumSet.containerClass",
          "classification": "folder",
          "items": []
        },
        {
          "self": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb",
          "parentUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "networkDeviceUrl": "https://welchoas/api/v4/networkDevices/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "pointsUrl": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb/points",
          "objectsUrl": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb/objects",
          "alarmsUrl": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb/alarms",
          "auditsUrl": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb/audits",
          "trendedAttributesUrl": "https://welchoas/api/v4/objects/7fd71bf8-c080-59c3-835f-e5c5f0ffabbb/trendedAttributes",
          "itemReference": "welchoas:welchoas/$site.SummaryDefs",
          "hasChildrenMatchingQuery": false,
          "name": "Summary Definitions",
          "id": "7fd71bf8-c080-59c3-835f-e5c5f0ffabbb",
          "objectType": "objectTypeEnumSet.containerClass",
          "classification": "folder",
          "items": []
        },
        {
          "self": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
          "parentUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "networkDeviceUrl": "https://welchoas/api/v4/networkDevices/896f7c45-de4b-5a2c-9084-bceb0ec85962",
          "pointsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/points",
          "objectsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/objects",
          "alarmsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/alarms",
          "auditsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/audits",
          "trendedAttributesUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/trendedAttributes",
          "itemReference": "welchoas:welchoas",
          "hasChildrenMatchingQuery": true,
          "name": "welchoas",
          "id": "8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
          "objectType": "objectTypeEnumSet.oasClass",
          "classification": "server",
          "items": []
        }
      ]
    }
  ],
  "effectivePermissions": {
    "canDelete": [
      "896f7c45-de4b-5a2c-9084-bceb0ec85962",
      "c8dd833e-427b-55a1-9f7d-c4f09ea3524d",
      "7fd71bf8-c080-59c3-835f-e5c5f0ffabbb"
    ],
    "canView": [
      "896f7c45-de4b-5a2c-9084-bceb0ec85962",
      "c8dd833e-427b-55a1-9f7d-c4f09ea3524d",
      "7fd71bf8-c080-59c3-835f-e5c5f0ffabbb",
      "8f2c6bb1-6bfd-5643-b581-299c1fec6b1b"
    ],
    "canModify": [
      "896f7c45-de4b-5a2c-9084-bceb0ec85962",
      "c8dd833e-427b-55a1-9f7d-c4f09ea3524d",
      "7fd71bf8-c080-59c3-835f-e5c5f0ffabbb",
      "8f2c6bb1-6bfd-5643-b581-299c1fec6b1b"
    ]
  }
}

An absolute url looks like https://{hostname}/api/v4/objects. Many API endpoints return absolute URLs in their response payloads. These are used to provide information about other useful resources on the system. So it's convenient to be able to copy and paste those to make another request.

In the example above, the self property of the last object is https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b. Let's use that absolute url to read the default view of that object.

Invoke-MetasysMethod https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b

Click to See Response

{
  "self": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b?includeSchema=false&viewId=viewNameEnumSet.focusView",
  "objectType": "objectTypeEnumSet.oasClass",
  "parentUrl": "https://welchoas/api/v4/objects/896f7c45-de4b-5a2c-9084-bceb0ec85962",
  "objectsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/objects",
  "networkDeviceUrl": null,
  "pointsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/points",
  "trendedAttributesUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/trendedAttributes",
  "alarmsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/alarms",
  "auditsUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b/audits",
  "item": {
    "id": "8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
    "name": "welchoas",
    "description": null,
    "bacnetObjectType": "objectTypeEnumSet.bacdeviceClass",
    "objectCategory": "objectCategoryEnumSet.generalCategory",
    "modelName": "OAS",
    "localTime": {
      "hour": 16,
      "minute": 58,
      "second": 41,
      "hundredth": 56
    },
    "localDate": {
      "year": 2021,
      "month": 7,
      "dayOfMonth": 5,
      "dayOfWeek": 1
    },
    "firmwareVersion": "12.0.0.6218",
    "itemReference": "welchoas:welchoas",
    "version": {
      "major": 37,
      "minor": 0
    },
    "archiveDate": {
      "year": 2021,
      "month": 7,
      "dayOfMonth": 5,
      "dayOfWeek": 1
    },
    "maxMessageBuffer": 994.0,
    "maxApduLength": 1024.0,
    "apduSegmentTimeout": 10000.0,
    "apduTimeout": 10000.0,
    "apduRetries": 4.0,
    "internodeCommTimer": 120.0,
    "unboundReferences": [],
    "duplicateReferences": [],
    "fipsComplianceStatus": "noOfComplianceStateEnumSet.nonCompliantUnlicensed",
    "almSnoozeTime": 5.0,
    "enableApplicationGenAudit": false,
    "auditEnabledClasLev": 2.0,
    "addAdsrepos": [],
    "adsRepositoriesStatus": [],
    "allowOffSiteRepositoryStorage": false,
    "sampleRate": 0.0,
    "serviceTime": 66.0,
    "numberOfNxesReporting": 1.0,
    "transferBufferFullWorstNxe": 0.0,
    "hostName": "",
    "jciExceptionSchedule": "weeklySchedPurgeEnumSet.wsAutoDelete31Days",
    "isValidated": false,
    "bacnetObjectCacheExposed": "bacnetObjectCacheExposedEnumSet.boceIncludeInList",
    "jciSystemStatus": "jciSystemStatusEnumSet.jciOperational",
    "status": "objectStatusEnumSet.osNormal",
    "attrChangeCount": 201.0,
    "defaultAttribute": "attributeEnumSet.jciSystemStatus"
  },
  "effectivePermissions": {
    "canDelete": false,
    "canModify": true
  },
  "views": [
    {
      "title": "Focus",
      "views": [
        {
          "title": "Basic",
          "views": [
            {
              "title": "Object",
              "properties": [
                "name",
                "description",
                "bacnetObjectType",
                "objectCategory",
                "modelName"
              ],
              "id": "viewGroupEnumSet.objectGrp"
            },
            {
              "title": "Time",
              "properties": ["localTime", "localDate"],
              "id": "viewGroupEnumSet.timeGrp"
            }
          ],
          "id": "groupTypeEnumSet.basicGrpType"
        },
        {
          "title": "Advanced",
          "views": [
            {
              "title": "Engineering Values",
              "properties": [
                "firmwareVersion",
                "itemReference",
                "version",
                "archiveDate",
                "maxMessageBuffer",
                "maxApduLength",
                "apduSegmentTimeout",
                "apduTimeout",
                "apduRetries",
                "internodeCommTimer",
                "unboundReferences",
                "duplicateReferences",
                "fipsComplianceStatus",
                "id"
              ],
              "id": "viewGroupEnumSet.engValuesGrp"
            },
            {
              "title": "Alarms",
              "properties": ["almSnoozeTime"],
              "id": "viewGroupEnumSet.alarmsGrp"
            },
            {
              "title": "Audit Trail",
              "properties": [
                "enableApplicationGenAudit",
                "auditEnabledClasLev"
              ],
              "id": "viewGroupEnumSet.auditTrailGrp"
            },
            {
              "title": "Repository Storage",
              "properties": [
                "addAdsrepos",
                "adsRepositoriesStatus",
                "allowOffSiteRepositoryStorage",
                "sampleRate",
                "serviceTime",
                "numberOfNxesReporting",
                "transferBufferFullWorstNxe",
                "hostName"
              ],
              "id": "viewGroupEnumSet.repositoryStorageGrp"
            },
            {
              "title": "Weekly Scheduling",
              "properties": ["jciExceptionSchedule"],
              "id": "viewGroupEnumSet.weeklySchedGrp"
            },
            {
              "title": "Validated Environment",
              "properties": ["isValidated"],
              "id": "viewGroupEnumSet.validatedEnvironmentGrp"
            },
            {
              "title": "BACnet Routing",
              "properties": ["bacnetObjectCacheExposed"],
              "id": "viewGroupEnumSet.routingGrp"
            }
          ],
          "id": "groupTypeEnumSet.advancedGrpType"
        },
        {
          "title": "Key",
          "views": [
            {
              "title": "None",
              "properties": [
                "jciSystemStatus",
                "status",
                "attrChangeCount",
                "defaultAttribute"
              ],
              "id": "viewGroupEnumSet.noGrp"
            }
          ],
          "id": "groupTypeEnumSet.keyGrpType"
        }
      ],
      "id": "viewNameEnumSet.focusView"
    }
  ],
  "condition": {}
}

A relative url looks like /objects. In other words, it's everything after https://{hostname}/api/v4.

In this next example we'll read the presentValue of an object. I happen to know the id for this object is ce820989-5617-50bd-90ea-2fd95d1402ba.

PS > Invoke-MetasysMethod https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/attributes/presentValue

{
  "item": {
    "presentValue": 68.2
  },
  "condition": {
    "presentValue": {}
  }
}

This time we showed the use of an absolute url. We could have just used /objects/ce820989-5617-50bd-90ea-2fd95d1402ba/attributes/presentValue instead. Either type of url is fine.

Another good tip is to save identifiers in variables so you don't have to type them multiple times or copy/paste them:

$Id = "ce820989-5617-50bd-90ea-2fd95d1402ba"
Invoke-MetasysMethod https://welchoas/api/v4/objects/$Id/attributes/presentValue

Examples of other urls that support GET

/alarms - Get first page of alarms
/audits - Get first page of audits
/activities - Get first page of the collection of all activities (the activities collection is a union of the alarms and audits collections)
/objects/$id/objects - Get the child objects of the specified object where $id contains a valid object identifier.

Writing An Object Attribute (PATCH)

In this example we'll change the value of an object attribute. This requires us to use two new parameters. First we'll use the Method parameter to specify we are sending a PATCH request, and we'll use the Body parameter to specify the content we want to send.

Let's change the description attribute of the AV from the previous section. Let's first read it to confirm it's currently null. Recall that we've saved the identifier in the variable $Id.

PS > Invoke-MetasysMethod /objects/$Id/attributes/description

{
  "item": {
    "description": null
    },
  "condition": {}
}

We'll change the value to be Zone 3 Temperature Set Point. We are going to send this body to do that:

{
  "item": {
    "description": "Zone 3 Temperature Set Point"
  }
}

It can be a little tricky dealing with large JSON strings. There are many ways to construct them. See Tips for Working With PowerShell for examples of working with JSON strings.

When the JSON string is relatively short like in this example you can just type it all on one line:

Invoke-MetasysMethod -Method Patch /objects/$Id  -Body "{ 'item': { 'description': 'Zone 3 Temperature Set Point' } }"

We'll read it back to ensure it changed:

PS > Invoke-MetasysMethod /objects/$Id/attributes/description
{
  "item": {
    "description": "Zone 3 Temperature Set Point"
  },
  "condition": {
    "description": {}
  }
}

Using an Alias

Many of the built-in PowerShell commands have long names just like Invoke-WebRequest. Many of those also have aliases that are much shorter (eg. iwr for Invoke-WebRequest). The command Invoke-MetasysMethod also has an alias, imm, which you can use instead of the full name. For the remainder of this README we'll use imm instead of Invoke-MetasysMethod. The alias for Connect-MetasysAccount is cma.

Sending a Command to an Object (PUT)

In this example we'll send an adjustCommand command to an AV.

We can discover that the object supports adjustCommand by requesting the list of commands:

imm /objects/$Id/commands

Click to see response

{
  "self": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands",
  "items": [
    {
      "id": "commandIdEnumSet.adjustCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.adjustCommand",
      "title": "Adjust",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "priority": {
            "oneOf": [
              {
                "$ref": "#writePriorityEnumSet"
              },
              {
                "type": "null"
              }
            ]
          },
          "parameters": {
            "type": "array",
            "metasysType": "list",
            "items": [
              {
                "id": "commandParmsEnumSet.valueCmdparm",
                "title": "Value",
                "displayPrecisionSource": "displayPrecision",
                "maxPresValueSource": "maxPresValue",
                "minPresValueSource": "minPresValue",
                "unitsSource": "units",
                "metasysType": "float",
                "type": "number",
                "minimum": -1.69999997607218e38,
                "maximum": 1.69999997607218e38,
                "displayPrecision": {
                  "id": "displayPrecisionEnumSet.displayPrecisionPt1",
                  "displayMultipleOf": 0.1
                },
                "default": 0
              }
            ],
            "minItems": 1,
            "maxItems": 1
          },
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": {
          "writePriorityEnumSet": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "title": "Write Priority",
            "$id": "#writePriorityEnumSet",
            "allOf": [
              {
                "oneOf": [
                  {
                    "const": "writePriorityEnumSet.priorityNone",
                    "title": "0 (No Priority)",
                    "memberId": 0
                  },
                  {
                    "const": "writePriorityEnumSet.priorityManualEmergency",
                    "title": "1 (Manual Life Safety)",
                    "memberId": 1
                  },
                  {
                    "const": "writePriorityEnumSet.priorityFireApplications",
                    "title": "2 (Auto Life Safety)",
                    "memberId": 2
                  },
                  {
                    "const": "writePriorityEnumSet.priority3",
                    "title": "3 (Application)",
                    "memberId": 3
                  },
                  {
                    "const": "writePriorityEnumSet.priority4",
                    "title": "4 (Application)",
                    "memberId": 4
                  },
                  {
                    "const": "writePriorityEnumSet.priorityCriticalEquipment",
                    "title": "5 (Critical Equipment)",
                    "memberId": 5
                  },
                  {
                    "const": "writePriorityEnumSet.priorityMinimumOnOff",
                    "title": "6 (Minimum On Off)",
                    "memberId": 6
                  },
                  {
                    "const": "writePriorityEnumSet.priorityHeavyEquipDelay",
                    "title": "7 (Heavy Equip Delay)",
                    "memberId": 7
                  },
                  {
                    "const": "writePriorityEnumSet.priorityOperatorOverride",
                    "title": "8 (Operator Override)",
                    "memberId": 8
                  },
                  {
                    "const": "writePriorityEnumSet.priority9",
                    "title": "9 (Application)",
                    "memberId": 9
                  },
                  {
                    "const": "writePriorityEnumSet.priority10",
                    "title": "10 (Application)",
                    "memberId": 10
                  },
                  {
                    "const": "writePriorityEnumSet.priorityDemandLimiting",
                    "title": "11 (Demand Limiting)",
                    "memberId": 11
                  },
                  {
                    "const": "writePriorityEnumSet.priority12",
                    "title": "12 (Application)",
                    "memberId": 12
                  },
                  {
                    "const": "writePriorityEnumSet.priorityLoadRolling",
                    "title": "13 (Load Rolling)",
                    "memberId": 13
                  },
                  {
                    "const": "writePriorityEnumSet.priority14",
                    "title": "14 (Application)",
                    "memberId": 14
                  },
                  {
                    "const": "writePriorityEnumSet.prioritySchedulingOst",
                    "title": "15 (Scheduling)",
                    "memberId": 15
                  },
                  {
                    "const": "writePriorityEnumSet.priorityDefault",
                    "title": "16 (Default)",
                    "memberId": 16
                  }
                ]
              },
              {
                "$ref": "https://welchoas/api/v3/schemas/enums/writePriorityEnumSet"
              }
            ],
            "setId": 1
          }
        }
      }
    },
    {
      "id": "commandIdEnumSet.overrideCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.overrideCommand",
      "title": "Operator Override",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "parameters": {
            "type": "array",
            "metasysType": "list",
            "items": [
              {
                "id": "commandParmsEnumSet.valueCmdparm",
                "title": "Value",
                "displayPrecisionSource": "displayPrecision",
                "maxPresValueSource": "maxPresValue",
                "minPresValueSource": "minPresValue",
                "unitsSource": "units",
                "metasysType": "float",
                "type": "number",
                "minimum": -1.69999997607218e38,
                "maximum": 1.69999997607218e38,
                "displayPrecision": {
                  "id": "displayPrecisionEnumSet.displayPrecisionPt1",
                  "displayMultipleOf": 0.1
                },
                "default": 0
              }
            ],
            "minItems": 1,
            "maxItems": 1
          },
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": null
      }
    },
    {
      "id": "commandIdEnumSet.temporaryOverrideCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.temporaryOverrideCommand",
      "title": "Temporary Override",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "parameters": {
            "type": "array",
            "metasysType": "list",
            "items": [
              {
                "id": "commandParmsEnumSet.valueCmdparm",
                "title": "Value",
                "displayPrecisionSource": "displayPrecision",
                "maxPresValueSource": "maxPresValue",
                "minPresValueSource": "minPresValue",
                "unitsSource": "units",
                "metasysType": "float",
                "type": "number",
                "minimum": -1.69999997607218e38,
                "maximum": 1.69999997607218e38,
                "displayPrecision": {
                  "id": "displayPrecisionEnumSet.displayPrecisionPt1",
                  "displayMultipleOf": 0.1
                },
                "default": 0
              },
              {
                "id": "commandParmsEnumSet.hoursCmdparm",
                "title": "Hours",
                "metasysType": "ulong",
                "type": "integer",
                "minimum": 0,
                "maximum": 100,
                "default": 0
              },
              {
                "id": "commandParmsEnumSet.minutesCmdparm",
                "title": "Minutes",
                "metasysType": "ulong",
                "type": "integer",
                "minimum": 0,
                "maximum": 59,
                "default": 0
              }
            ],
            "minItems": 3,
            "maxItems": 3
          },
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": null
      }
    },
    {
      "id": "commandIdEnumSet.overrideReleaseCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.overrideReleaseCommand",
      "title": "Release Operator Override",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": null
      }
    },
    {
      "id": "commandIdEnumSet.releaseCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.releaseCommand",
      "title": "Release",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "parameters": {
            "type": "array",
            "metasysType": "list",
            "items": [
              {
                "id": "commandParmsEnumSet.attributeCmdparm",
                "title": "Attribute",
                "type": "string",
                "metasysType": "enum",
                "oneOf": [
                  {
                    "$ref": "#attributeEnumSet"
                  }
                ],
                "default": "attributeEnumSet.presentValue"
              },
              {
                "id": "commandParmsEnumSet.priorityCmdparm",
                "title": "Priority",
                "numberOfStates": 17,
                "type": "string",
                "metasysType": "enum",
                "oneOf": [
                  {
                    "$ref": "#writePriorityEnumSet_endAt_17"
                  }
                ],
                "default": "writePriorityEnumSet.priorityDefault"
              }
            ],
            "minItems": 2,
            "maxItems": 2
          },
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": {
          "attributeEnumSet": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "title": "Attribute",
            "$id": "#attributeEnumSet",
            "allOf": [
              {
                "oneOf": [
                  {
                    "const": "attributeEnumSet.presentValue",
                    "title": "Present Value",
                    "memberId": 85
                  }
                ]
              },
              {
                "$ref": "https://welchoas/api/v3/schemas/enums/attributeEnumSet"
              }
            ],
            "setId": 509
          },
          "writePriorityEnumSet_endAt_17": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "title": "Write Priority",
            "$id": "#writePriorityEnumSet_endAt_17",
            "allOf": [
              {
                "oneOf": [
                  {
                    "const": "writePriorityEnumSet.priorityNone",
                    "title": "0 (No Priority)",
                    "memberId": 0
                  },
                  {
                    "const": "writePriorityEnumSet.priorityManualEmergency",
                    "title": "1 (Manual Life Safety)",
                    "memberId": 1
                  },
                  {
                    "const": "writePriorityEnumSet.priorityFireApplications",
                    "title": "2 (Auto Life Safety)",
                    "memberId": 2
                  },
                  {
                    "const": "writePriorityEnumSet.priority3",
                    "title": "3 (Application)",
                    "memberId": 3
                  },
                  {
                    "const": "writePriorityEnumSet.priority4",
                    "title": "4 (Application)",
                    "memberId": 4
                  },
                  {
                    "const": "writePriorityEnumSet.priorityCriticalEquipment",
                    "title": "5 (Critical Equipment)",
                    "memberId": 5
                  },
                  {
                    "const": "writePriorityEnumSet.priorityMinimumOnOff",
                    "title": "6 (Minimum On Off)",
                    "memberId": 6
                  },
                  {
                    "const": "writePriorityEnumSet.priorityHeavyEquipDelay",
                    "title": "7 (Heavy Equip Delay)",
                    "memberId": 7
                  },
                  {
                    "const": "writePriorityEnumSet.priorityOperatorOverride",
                    "title": "8 (Operator Override)",
                    "memberId": 8
                  },
                  {
                    "const": "writePriorityEnumSet.priority9",
                    "title": "9 (Application)",
                    "memberId": 9
                  },
                  {
                    "const": "writePriorityEnumSet.priority10",
                    "title": "10 (Application)",
                    "memberId": 10
                  },
                  {
                    "const": "writePriorityEnumSet.priorityDemandLimiting",
                    "title": "11 (Demand Limiting)",
                    "memberId": 11
                  },
                  {
                    "const": "writePriorityEnumSet.priority12",
                    "title": "12 (Application)",
                    "memberId": 12
                  },
                  {
                    "const": "writePriorityEnumSet.priorityLoadRolling",
                    "title": "13 (Load Rolling)",
                    "memberId": 13
                  },
                  {
                    "const": "writePriorityEnumSet.priority14",
                    "title": "14 (Application)",
                    "memberId": 14
                  },
                  {
                    "const": "writePriorityEnumSet.prioritySchedulingOst",
                    "title": "15 (Scheduling)",
                    "memberId": 15
                  },
                  {
                    "const": "writePriorityEnumSet.priorityDefault",
                    "title": "16 (Default)",
                    "memberId": 16
                  }
                ]
              },
              {
                "$ref": "https://welchoas/api/v3/schemas/enums/writePriorityEnumSet"
              }
            ],
            "setId": 1
          }
        }
      }
    },
    {
      "id": "commandIdEnumSet.releaseAllCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.releaseAllCommand",
      "title": "Release All",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "parameters": {
            "type": "array",
            "metasysType": "list",
            "items": [
              {
                "id": "commandParmsEnumSet.attributeCmdparm",
                "title": "Attribute",
                "type": "string",
                "metasysType": "enum",
                "oneOf": [
                  {
                    "$ref": "#attributeEnumSet"
                  }
                ],
                "default": "attributeEnumSet.presentValue"
              }
            ],
            "minItems": 1,
            "maxItems": 1
          },
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": {
          "attributeEnumSet": {
            "$schema": "http://json-schema.org/draft-07/schema#",
            "title": "Attribute",
            "$id": "#attributeEnumSet",
            "allOf": [
              {
                "oneOf": [
                  {
                    "const": "attributeEnumSet.presentValue",
                    "title": "Present Value",
                    "memberId": 85
                  }
                ]
              },
              {
                "$ref": "https://welchoas/api/v3/schemas/enums/attributeEnumSet"
              }
            ],
            "setId": 509
          }
        }
      }
    },
    {
      "id": "commandIdEnumSet.enableAlarmsCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.enableAlarmsCommand",
      "title": "Enable Alarms",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": null
      }
    },
    {
      "id": "commandIdEnumSet.disableAlarmsCommand",
      "invokeUrl": "https://welchoas/api/v4/objects/ce820989-5617-50bd-90ea-2fd95d1402ba/commands/commandIdEnumSet.disableAlarmsCommand",
      "title": "Disable Alarms",
      "commandBodySchema": {
        "type": "object",
        "metasysType": "struct",
        "properties": {
          "annotation": {
            "title": "Annotation",
            "type": "string",
            "metasysType": "string",
            "minLength": 1,
            "maxLength": 255
          },
          "required": [],
          "additionalProperties": false
        },
        "definitions": null
      }
    }
  ],
  "effectivePermissions": {
    "canInvoke": [
      "commandIdEnumSet.adjustCommand",
      "commandIdEnumSet.overrideCommand",
      "commandIdEnumSet.temporaryOverrideCommand",
      "commandIdEnumSet.overrideReleaseCommand",
      "commandIdEnumSet.releaseCommand",
      "commandIdEnumSet.releaseAllCommand",
      "commandIdEnumSet.enableAlarmsCommand",
      "commandIdEnumSet.disableAlarmsCommand"
    ]
  }
}

The details of the response are outside of the scope of this tutorial, but we do see the adjustCommand in the response and we see that it's body is expected to be an object with a parameters property. The definition of parameters tells us it needs to be an array with one numeric value. So we can do the following.

PS > imm /objects/$Id/commands/adjustCommand -Method Put -Body "{ 'parameters': [ 72.5 ] }"

"Success"

We could also add an annotation to the command:

$json = '{ "parameters": [72.5], "annotation": "Adjust Set Point for the afternoon" }'
imm /objects/$Id/commands/adjustCommand -Method Put -Body $json

Creating an Object (POST)

For this example we'll create a new AV. A typical payload to create an AV might look something like this:

{
  "localUniqueIdentifier": "Set Point",
  "parentId": "8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
  "objectType": "objectTypeEnumSet.avClass",
  "item": {
    "name": "Set Point",
    "objectCategory": "objectCategoryEnumSet.hvacCategory",
    "minPresValue": -50,
    "maxPresValue": 150,
    "units": "unitEnumSet.degF"
  }
}

We'll assume that JSON is stored in a file call new-av.json which is in the same directory that we are running our commands from. (We'll use the Get-Content command to read that file and provide it as the body. Be sure to use the Raw switch so that Get-Content returns the whole file as one string, rather than an array of strings -- one string per line).

imm /objects -Method Post -Body (Get-Content -Path new-av.json -Raw)

Notice that currently the creation of a new object doesn't return anything. So how do we know if it was successful? There are some helper functions that allow us to inspect the last response. I'll demonstrate three of them Show-LastMetasysStatus, Show-LastMetasysHeaders and Show-LastMetasysFullResponse

# Show the status of last call
PS > Show-LastMetasysStatus
200 (OK)

# Show the headers of the last call
# Notice the Location header tells us the URL of the new object
PS > Show-LastMetasysHeaders
Content-Length: 0
Strict-Transport-Security: max-age=31536000
Date: Mon, 05 Jul 2021 23:07:21 GMT
Location: https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84
X-Content-Type-Options: nosniff
Pragma: no-cache,no-cache
X-XSS-Protection: 1; mode=block
Expires: -1
Cache-Control: private
Set-Cookie: Secure; HttpOnly

# Show the entire last response: status, headers, body
PS > Show-LastMetasysFullResponse
200 (OK)
Content-Length: 0
Strict-Transport-Security: max-age=31536000
Date: Mon, 05 Jul 2021 23:07:21 GMT
Location: https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84
X-Content-Type-Options: nosniff
Pragma: no-cache,no-cache
X-XSS-Protection: 1; mode=block
Expires: -1
Cache-Control: private
Set-Cookie: Secure; HttpOnly

Note

The status of 200 tells us everything was good and the Location header from above gives the url we can use to read the object back.

imm https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84

Click to see response

{
  "self": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84?includeSchema=false&viewId=viewNameEnumSet.focusView",
  "objectType": "objectTypeEnumSet.avClass",
  "parentUrl": "https://welchoas/api/v4/objects/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
  "objectsUrl": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84/objects",
  "networkDeviceUrl": "https://welchoas/api/v4/networkDevices/8f2c6bb1-6bfd-5643-b581-299c1fec6b1b",
  "pointsUrl": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84/points",
  "trendedAttributesUrl": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84/trendedAttributes",
  "alarmsUrl": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84/alarms",
  "auditsUrl": "https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84/audits",
  "item": {
    "id": "3fdb754b-4f6e-592e-9c1e-8b72ad51cb84",
    "name": "Set Point",
    "description": null,
    "bacnetObjectType": "objectTypeEnumSet.bacAvClass",
    "objectCategory": "objectCategoryEnumSet.hvacCategory",
    "outOfService": false,
    "reliability": "reliabilityEnumSet.reliable",
    "currentCommandPriority": null,
    "alarmState": "objectStatusEnumSet.osNormal",
    "overrideExpirationTime": {
      "date": null,
      "time": null
    },
    "presentValueWritable": "objectModeEnumSet.presentValueWritableWithPriority",
    "itemReference": "welchoas:welchoas/Set Point",
    "version": {
      "major": 1,
      "minor": 0
    },
    "prioritySupported": true,
    "minPresValue": -50.0,
    "maxPresValue": 150.0,
    "units": "unitEnumSet.degF",
    "displayPrecision": "displayPrecisionEnumSet.displayPrecisionPt1",
    "covIncrement": 0.01,
    "connectedToInternalApplication": "noYesEnumSet.fanNo",
    "presentValue": 0.0,
    "status": "objectStatusEnumSet.osNormal",
    "attrChangeCount": 50.0,
    "defaultAttribute": "attributeEnumSet.presentValue"
  },
  "effectivePermissions": {
    "canDelete": true,
    "canModify": true
  },
  "views": [
    {
      "title": "Focus",
      "views": [
        {
          "title": "Basic",
          "views": [
            {
              "title": "Object",
              "properties": [
                "name",
                "description",
                "bacnetObjectType",
                "objectCategory"
              ],
              "id": "viewGroupEnumSet.objectGrp"
            },
            {
              "title": "Status",
              "properties": [
                "outOfService",
                "reliability",
                "currentCommandPriority",
                "alarmState",
                "overrideExpirationTime",
                "presentValueWritable"
              ],
              "id": "viewGroupEnumSet.statusGrp"
            }
          ],
          "id": "groupTypeEnumSet.basicGrpType"
        },
        {
          "title": "Advanced",
          "views": [
            {
              "title": "Engineering Values",
              "properties": [
                "itemReference",
                "version",
                "prioritySupported",
                "minPresValue",
                "maxPresValue",
                "id"
              ],
              "id": "viewGroupEnumSet.engValuesGrp"
            },
            {
              "title": "Display",
              "properties": ["units", "displayPrecision", "covIncrement"],
              "id": "viewGroupEnumSet.displayGrp"
            },
            {
              "title": "Internal Logic Interface",
              "properties": ["connectedToInternalApplication"],
              "id": "viewGroupEnumSet.internalLogicIfGrp"
            }
          ],
          "id": "groupTypeEnumSet.advancedGrpType"
        },
        {
          "title": "Key",
          "views": [
            {
              "title": "None",
              "properties": [
                "presentValue",
                "status",
                "attrChangeCount",
                "defaultAttribute"
              ],
              "id": "viewGroupEnumSet.noGrp"
            }
          ],
          "id": "groupTypeEnumSet.keyGrpType"
        }
      ],
      "id": "viewNameEnumSet.focusView"
    }
  ],
  "condition": {}
}

Rather than rely on the Show- methods, we can use the -IncludeResponseHeaders switch at the time we invoke the method and all of the response headers will be shown when the request finishes.

PS > imm /objects -Method Post -Body (Get-Content -Path new-av.json -Raw) -IncludeResponseHeaders

200 (OK)
Location: https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84
Expires: -1
Cache-Control: private
Strict-Transport-Security: max-age=31536000
Date: Fri, 21 Jan 2022 20:03:56 GMT
Pragma: no-cache,no-cache
Content-Length: 0
X-XSS-Protection: 1; mode=block
Set-Cookie: Secure; HttpOnly
X-Content-Type-Options: nosniff

Delete an Object (DELETE)

Let's delete the previous object

# There is no response body to this payload, use -IncludeResponseHeaders to see the results
PS > imm -Method Delete https://welchoas/api/v4/objects/3fdb754b-4f6e-592e-9c1e-8b72ad51cb84 -IncludeResponseHeaders

204 (NoContent)
X-XSS-Protection: 1; mode=block
Date: Mon, 05 Jul 2021 23:26:28 GMT
Pragma: no-cache,no-cache
Strict-Transport-Security: max-age=31536000
Expires: -1
Cache-Control: no-store, must-revalidate, no-cache, max-age=0, s-maxage=0, pre-check=0, post-check=0
X-Content-Type-Options: nosniff
Set-Cookie: Secure; HttpOnly

Configuration

The Metasys Rest Client supports a limited amount of configuration. To configure the app create a .metasysrestclient file in your home directory.

The configuration allows you to specify the default values to use when invoking Connect-MetasysAccount for a specific host.

The following properties are supported:

hosts - An array of entries that describe a host you want to connect to. Each entry must contain an alias and a hostname. Optionally, you can specify other properties for a host as well. You can have multiple entries for the same hostname as long as they have different aliases.

A host entry has the following properties:

hostname required string - The resolvable hostname or ip address of a host.
alias required string - An alias to assign to that host. This alias can then be used as the Alias parameter in an invocation of Connect-MetasysAccount
username optional string - The user account to use to log into hostname. If specified, this will be used as the UserName parameter in an invocation of Connect-MetasysAccount.
version optional string - The version of the API to use for this host.
skip-certificate-check optional switch - Set this to any value to specify that you want certificate checking skipped. Typically you would use true but any value (including false and null) means the same thing. You must delete this key to restore certificate checking. (The same warnings apply as to those given for -SkipCertificateCheck above.)

Example Configuration

Assume you had the following content in $HOME/.metasysrestclient

{
  "hosts": [
    {
      "hostname": "myhost.domain",
      "alias": "myhost"
    },
    {
      "hostname": "host2.domain",
      "alias": "host2"
    },
    {
      "hostname": "myhost.domain",
      "alias": "myhost2",
      "username": "john_smith",
      "version": "4",
      "skip-certificate-check": true
    }
  ]
}

Then the following two commands are equivalent as they both would attempt to connect to myhost.domain

cma myhost
cma -MetasysHost myhost.domain

Note The Alias parameter is positional so you don't need to explicitly state it. (Recall that cma is the alias for Connect-MetasysAccount.)

Likewise the following two commands are equivalent. Both attempt to login to myhost.domain with a UserName of john_smith, using version 4 and skipping any certificate checks.

cma -MetasysHost myhost.domain -UserName john_smith -Version 4 -SkipCertificateCheck
cma myhost2

Tip

If you supply a value for -UserName it will override any username value in .metasysrestclient. Likewise, if you supply a value for -Version it will override any version value in .metasysrestclient.

For example

cma myhost2 -Version 3 -UserName bob

Will use a version 3 and user bob instead of the values in .metasysrestclient.

Troubleshooting

Invalid Certificates

This command will fail to execute if the server you are executing against doesn't have a valid certificate. A parameter is provided, SkipCertificateCheck, which causes all validation checks to be skipped. This includes all validations such as expiration, revocation, trusted root authority, etc.

Caution

Using this parameter is not secure and is not recommended. This switch is intended to be used against known hosts using a self-signed certificate for testing purposes. Use at your own risk.

Testing

The tests are alongside the modules in /src/MetasysRestClient. To run the tests change into that directory and invoke pester:

PS > cd src/MetasysRestClient
PS > Invoke-Pester

Or simply use the script runtests.ps1 in the root

PS > ./runtests.ps1

Name		Name	Last commit message	Last commit date
Latest commit History 339 Commits
.devcontainer		.devcontainer
.github/workflows		.github/workflows
.vscode		.vscode
docs		docs
src/MetasysRestClient		src/MetasysRestClient
test		test
.prettierrc.json		.prettierrc.json
CHANGELOG.md		CHANGELOG.md
LICENSE		LICENSE
README.md		README.md
TODO.md		TODO.md
run-tests.ps1		run-tests.ps1

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MetasysRestClient

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Starting a Session

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Writing An Object Attribute (PATCH)

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MetasysRestClient

Dependencies

Credential Management

Prerequisites

Metasys REST API Versions

PowerShell References

Installation

Help

Quick Start

Starting a Session

Starting a Session without Prompts

Starting a Session using Aliases

Reading Information (GET)

Writing An Object Attribute (PATCH)

Using an Alias

Sending a Command to an Object (PUT)

Creating an Object (POST)

Delete an Object (DELETE)

Configuration

Example Configuration

Troubleshooting

Invalid Certificates

Testing

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