Is User in Collection activity This activity verifies if a user exists in an SCCM user collection. The Is User in Collection activity uses the PowerShell activity template to verify if a specific user exists in an SCCM user collection. The activity is configured to use a MID Server with PowerShell capabilities and to run a MID Server script called IsUserInCollection.ps1 to perform the test. To access this activity in the workflow editor, select the Custom tab, and then navigate to Custom Activities > System Center Configuration Manager (SCCM) . Input variables Table 1. Is User in Collection input variables Variable Description sccmServer The fully qualified domain name (FQDN) of the SCCM server. collection Name of the user collection. user Name of the user to verify is in the collection. Output variables Table 2. Is User in Collection output variables Variable Description output Variable that contains the test result: True/False errorMessage Variable that contains the activity output error message. Conditions Table 3. Is User in Collection conditions Condition Description Exist The user exists in the collection. Not exist The user does not exist in the collection. Failure Activity failed.