PowerShell activity designer PowerShell activities are configured to return data to a workflow from a host using Microsoft PowerShell. You must purchase Orchestration to use this template. For specific information about using the tools in the activity designer, refer to these resources: Orchestration activity designer Activity designer variables Orchestration activity parsing rules ServiceNow supports PowerShell 2.0 and above. PowerShell 3.0 does not support Windows 2003 Server. Create a Powershell activityUse these instructions to create a custom Powershell Orchestration activity.