Contains methods that encapsulate Project Server workflow activities and methods, for use with version 4 of Windows Workflow Foundation (WF4).
Assembly: Microsoft.ProjectServer.Client (in Microsoft.ProjectServer.Client.dll)
When you develop new Microsoft Project Server 2013 workflows, you can use Microsoft SharePoint Designer 2013, which internally accesses methods in the WorkflowActivities class of the CSOM.
The CSOM supports both online applications and on-premises applications for Project Server 2013. If you use Microsoft Visual Studio 2012 to develop workflows, when you drag a Project Server workflow activity to the design pane, the code directly uses the class in the CSOM. The CSOM then internally calls the WorkflowActivities class in the PSI WorkflowActivities service.