diff --git a/CHANGELOG.md b/CHANGELOG.md
index 512c46efa9..2ab2287b4e 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,7 +1,8 @@
 # Change log for Microsoft365DSC
 
 # UNRELEASED
-
+* TeamsGroupPolicyAssignment
+  * FIXES [#3559](https://github.com/microsoft/Microsoft365DSC/issues/3559)
 * AADAuthorizationPolicy
   * Added support for the AllowedToCreateTenants &
     AllowedToReadBitlockerKeysForOwnedDevice properties.
diff --git a/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.psm1 b/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.psm1
index 035d143e51..0e1497c887 100644
--- a/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.psm1
+++ b/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.psm1
@@ -13,7 +13,7 @@ function Get-TargetResource
         $GroupId,
 
         [Parameter(Mandatory = $true)]
-        [ValidateSet('CallingLineIdentity', 'TeamsAppSetupPolicy', 'TeamsAudioConferencingPolicy', 'TeamsCallingPolicy', 'TeamsCallParkPolicy', 'TeamsChannelsPolicy', 'TeamsComplianceRecordingPolicy', 'TenantDialPlan', 'TeamsMeetingBroadcastPolicy', 'TeamsMeetingPolicy', 'TeamsMessagingPolicy', 'TeamsShiftsPolicy', 'TeamsUpdateManagementPolicy', 'TeamsVerticalPackagePolicy')]
+        [ValidateSet('ApplicationAccessPolicy','CallingLineIdentity','OnlineAudioConferencingRoutingPolicy','OnlineVoicemailPolicy','OnlineVoiceRoutingPolicy','TeamsAudioConferencingPolicy','TeamsCallHoldPolicy','TeamsCallParkPolicy','TeamsChannelsPolicy','TeamsComplianceRecordingPolicy','TeamsCortanaPolicy','TeamsEmergencyCallingPolicy','TeamsEnhancedEncryptionPolicy','TeamsFeedbackPolicy','TeamsFilesPolicy','TeamsIPPhonePolicy','TeamsMediaLoggingPolicy','TeamsMeetingBroadcastPolicy','TeamsMeetingPolicy','TeamsMessagingPolicy','TeamsMobilityPolicy','TeamsRoomVideoTeleConferencingPolicy','TeamsShiftsPolicy','TeamsUpdateManagementPolicy','TeamsVdiPolicy','TeamsVideoInteropServicePolicy','TenantDialPlan','ExternalAccessPolicy','TeamsAppSetupPolicy','TeamsCallingPolicy','TeamsEventsPolicy','TeamsMeetingBrandingPolicy','TeamsMeetingTemplatePermissionPolicy')]
         [System.String]
         $PolicyType,
 
@@ -134,7 +134,7 @@ function Set-TargetResource
         $GroupId,
 
         [Parameter(Mandatory = $true)]
-        [ValidateSet('CallingLineIdentity', 'TeamsAppSetupPolicy', 'TeamsAudioConferencingPolicy', 'TeamsCallingPolicy', 'TeamsCallParkPolicy', 'TeamsChannelsPolicy', 'TeamsComplianceRecordingPolicy', 'TenantDialPlan', 'TeamsMeetingBroadcastPolicy', 'TeamsMeetingPolicy', 'TeamsMessagingPolicy', 'TeamsShiftsPolicy', 'TeamsUpdateManagementPolicy', 'TeamsVerticalPackagePolicy')]
+        [ValidateSet('ApplicationAccessPolicy','CallingLineIdentity','OnlineAudioConferencingRoutingPolicy','OnlineVoicemailPolicy','OnlineVoiceRoutingPolicy','TeamsAudioConferencingPolicy','TeamsCallHoldPolicy','TeamsCallParkPolicy','TeamsChannelsPolicy','TeamsComplianceRecordingPolicy','TeamsCortanaPolicy','TeamsEmergencyCallingPolicy','TeamsEnhancedEncryptionPolicy','TeamsFeedbackPolicy','TeamsFilesPolicy','TeamsIPPhonePolicy','TeamsMediaLoggingPolicy','TeamsMeetingBroadcastPolicy','TeamsMeetingPolicy','TeamsMessagingPolicy','TeamsMobilityPolicy','TeamsRoomVideoTeleConferencingPolicy','TeamsShiftsPolicy','TeamsUpdateManagementPolicy','TeamsVdiPolicy','TeamsVideoInteropServicePolicy','TenantDialPlan','ExternalAccessPolicy','TeamsAppSetupPolicy','TeamsCallingPolicy','TeamsEventsPolicy','TeamsMeetingBrandingPolicy','TeamsMeetingTemplatePermissionPolicy')]
         [System.String]
         $PolicyType,
 
@@ -277,7 +277,7 @@ function Test-TargetResource
         $GroupId,
 
         [Parameter(Mandatory = $true)]
-        [ValidateSet('CallingLineIdentity', 'TeamsAppSetupPolicy', 'TeamsAudioConferencingPolicy', 'TeamsCallingPolicy', 'TeamsCallParkPolicy', 'TeamsChannelsPolicy', 'TeamsComplianceRecordingPolicy', 'TenantDialPlan', 'TeamsMeetingBroadcastPolicy', 'TeamsMeetingPolicy', 'TeamsMessagingPolicy', 'TeamsShiftsPolicy', 'TeamsUpdateManagementPolicy', 'TeamsVerticalPackagePolicy')]
+        [ValidateSet('ApplicationAccessPolicy','CallingLineIdentity','OnlineAudioConferencingRoutingPolicy','OnlineVoicemailPolicy','OnlineVoiceRoutingPolicy','TeamsAudioConferencingPolicy','TeamsCallHoldPolicy','TeamsCallParkPolicy','TeamsChannelsPolicy','TeamsComplianceRecordingPolicy','TeamsCortanaPolicy','TeamsEmergencyCallingPolicy','TeamsEnhancedEncryptionPolicy','TeamsFeedbackPolicy','TeamsFilesPolicy','TeamsIPPhonePolicy','TeamsMediaLoggingPolicy','TeamsMeetingBroadcastPolicy','TeamsMeetingPolicy','TeamsMessagingPolicy','TeamsMobilityPolicy','TeamsRoomVideoTeleConferencingPolicy','TeamsShiftsPolicy','TeamsUpdateManagementPolicy','TeamsVdiPolicy','TeamsVideoInteropServicePolicy','TenantDialPlan','ExternalAccessPolicy','TeamsAppSetupPolicy','TeamsCallingPolicy','TeamsEventsPolicy','TeamsMeetingBrandingPolicy','TeamsMeetingTemplatePermissionPolicy')]
         [System.String]
         $PolicyType,
 
diff --git a/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.schema.mof b/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.schema.mof
index 9c7e698a66..3dba7714e9 100644
--- a/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.schema.mof
+++ b/Modules/Microsoft365DSC/DSCResources/MSFT_TeamsGroupPolicyAssignment/MSFT_TeamsGroupPolicyAssignment.schema.mof
@@ -3,7 +3,7 @@ class MSFT_TeamsGroupPolicyAssignment : OMI_BaseResource
 {
     [Key, Description("Group Displayname of the group the policys are assigned to")] string GroupDisplayName;
     [Key, Description("GroupId, alternatively to Group Displayname")] String GroupId;
-    [Key, Description("Teams PolicyType. The type of the policy to be assigned. Possible values:"), ValueMap{"CallingLineIdentity","TeamsAppSetupPolicy","TeamsAudioConferencingPolicy","TeamsCallingPolicy","TeamsCallParkPolicy","TeamsChannelsPolicy","TeamsComplianceRecordingPolicy","TenantDialPlan","TeamsMeetingBroadcastPolicy","TeamsMeetingPolicy","TeamsMessagingPolicy","TeamsShiftsPolicy","TeamsUpdateManagementPolicy","TeamsVerticalPackagePolicy"}, Values{"CallingLineIdentity","TeamsAppSetupPolicy","TeamsAudioConferencingPolicy","TeamsCallingPolicy","TeamsCallParkPolicy","TeamsChannelsPolicy","TeamsComplianceRecordingPolicy","TenantDialPlan","TeamsMeetingBroadcastPolicy","TeamsMeetingPolicy","TeamsMessagingPolicy","TeamsShiftsPolicy","TeamsUpdateManagementPolicy","TeamsVerticalPackagePolicy"}] String PolicyType;
+    [Key, Description("Teams PolicyType. The type of the policy to be assigned. Possible values:"), ValueMap{"ApplicationAccessPolicy","CallingLineIdentity","OnlineAudioConferencingRoutingPolicy","OnlineVoicemailPolicy","OnlineVoiceRoutingPolicy","TeamsAudioConferencingPolicy","TeamsCallHoldPolicy","TeamsCallParkPolicy","TeamsChannelsPolicy","TeamsComplianceRecordingPolicy","TeamsCortanaPolicy","TeamsEmergencyCallingPolicy","TeamsEnhancedEncryptionPolicy","TeamsFeedbackPolicy","TeamsFilesPolicy","TeamsIPPhonePolicy","TeamsMediaLoggingPolicy","TeamsMeetingBroadcastPolicy","TeamsMeetingPolicy","TeamsMessagingPolicy","TeamsMobilityPolicy","TeamsRoomVideoTeleConferencingPolicy","TeamsShiftsPolicy","TeamsUpdateManagementPolicy","TeamsVdiPolicy","TeamsVideoInteropServicePolicy","TenantDialPlan","ExternalAccessPolicy","TeamsAppSetupPolicy","TeamsCallingPolicy","TeamsEventsPolicy","TeamsMeetingBrandingPolicy","TeamsMeetingTemplatePermissionPolicy"}, Values{"ApplicationAccessPolicy","CallingLineIdentity","OnlineAudioConferencingRoutingPolicy","OnlineVoicemailPolicy","OnlineVoiceRoutingPolicy","TeamsAudioConferencingPolicy","TeamsCallHoldPolicy","TeamsCallParkPolicy","TeamsChannelsPolicy","TeamsComplianceRecordingPolicy","TeamsCortanaPolicy","TeamsEmergencyCallingPolicy","TeamsEnhancedEncryptionPolicy","TeamsFeedbackPolicy","TeamsFilesPolicy","TeamsIPPhonePolicy","TeamsMediaLoggingPolicy","TeamsMeetingBroadcastPolicy","TeamsMeetingPolicy","TeamsMessagingPolicy","TeamsMobilityPolicy","TeamsRoomVideoTeleConferencingPolicy","TeamsShiftsPolicy","TeamsUpdateManagementPolicy","TeamsVdiPolicy","TeamsVideoInteropServicePolicy","TenantDialPlan","ExternalAccessPolicy","TeamsAppSetupPolicy","TeamsCallingPolicy","TeamsEventsPolicy","TeamsMeetingBrandingPolicy","TeamsMeetingTemplatePermissionPolicy"}] String PolicyType;
     [Write, Description("Teams PolicyName. The name of the policy to be assigned.")] string PolicyName;
     [Write, Description("Teams Priority. The rank of the policy assignment, relative to other group policy assignments for the same policy type")] string Priority;
     [Write, Description("Present ensures the group policy assignment exists, absent ensures it is removed."), ValueMap{"Present","Absent"}, Values{"Present","Absent"}] String Ensure;