diff --git a/FHIR-fhircast.xml b/FHIR-fhircast.xml
index d0830259..fde73a1f 100644
--- a/FHIR-fhircast.xml
+++ b/FHIR-fhircast.xml
@@ -37,6 +37,7 @@
 <artifact id="Encounter/8cc652ba-770e-4ae1-b688-6e8e7c737438" key="Encounter-8cc652ba-770e-4ae1-b688-6e8e7c737438" name="FHIRcastEncounterOpen-Example"/>
 <artifact id="Bundle/8i7tbu6fby5fuuey7133eh" key="Bundle-8i7tbu6fby5fuuey7133eh" name="FHIRcastGetCurrentContentBundle-Example"/>
 <artifact id="Parameters/FHIRcastHibernateContext-Example" key="Parameters-FHIRcastHibernateContext-Example" name="FHIRcastHibernateContext-Example"/>
+<artifact id="Parameters/FHIRcastHibernateContext-Hub-Hibernate-Example" key="Parameters-FHIRcastHibernateContext-Hub-Hibernate-Example" name="FHIRcastHibernateContext-Hub-Hibernate-Example"/>
 <artifact id="ImagingStudy/e25c1d31-20a2-41f8-8d85-fe2fdeac74fd-close" key="ImagingStudy-e25c1d31-20a2-41f8-8d85-fe2fdeac74fd-close" name="FHIRcastImagingStudyClose-Example"/>
 <artifact id="ImagingStudy/e25c1d31-20a2-41f8-8d85-fe2fdeac74fd" key="ImagingStudy-e25c1d31-20a2-41f8-8d85-fe2fdeac74fd" name="FHIRcastImagingStudyOpen-Example"/>
 <artifact id="Parameters/FHIRcastLogoutContext-Example" key="Parameters-FHIRcastLogoutContext-Example" name="FHIRcastLogoutContext-Example"/>
diff --git a/input/fsh/FHIRcastUserHibernateContext.fsh b/input/fsh/FHIRcastUserHibernateContext.fsh
index 02f1c39c..8f74da24 100644
--- a/input/fsh/FHIRcastUserHibernateContext.fsh
+++ b/input/fsh/FHIRcastUserHibernateContext.fsh
@@ -12,16 +12,26 @@ Description: "Contains the rationale behind the userHibernate event"
 * parameter ^slicing.rules = #open
 * parameter ^slicing.ordered = false   // can be omitted, since false is the default
 * parameter ^slicing.description = "Reason for hibernation."
-* parameter contains code 1..1 
-* parameter[code].name = "code"
-* parameter[code] ^short = "Coded reason."
-* parameter[code] ^definition = "The reason the Subscriber sends a userHibernate event."
-* parameter[code].value[x] 1..1
-* parameter[code].value[x] only Coding
-* parameter[code].valueCoding from FHIRcastHibernateReason (extensible)
-* parameter[code].value[x] ^short = "Coded reason."
-* parameter[code].resource 0..0
-* parameter[code].part 0..0
+* parameter contains code 1..1 and hub 0..1
+* parameter[code]
+  * name = "code"
+  * ^short = "Coded reason."
+  * ^definition = "The reason the Subscriber sends a userHibernate event."
+  * value[x] 1..1
+  * value[x] only Coding
+  * valueCoding from FHIRcastHibernateReason (extensible)
+  * value[x] ^short = "Coded reason."
+  * resource 0..0
+  * part 0..0
+* parameter[hub] 
+  * ^short = "Whether the system hosting the Hub will hibernate."
+  * ^definition = "If `true`, the hub will hibernate and FHIRcast synchronization is suspended."
+  * name = "hub"
+  * value[x] 1..1
+  * value[x] only boolean
+    * ^short = "`true` when system hosting hub will hibernate."
+  * resource 0..0
+  * part 0..0
 
 ValueSet: FHIRcastHibernateReason
 Title: "Reasons for sending a userHibernate event."