Responds to the event Windows SharePoint Services raises when a task associated with the workflow is modified.
Assembly: Microsoft.SharePoint.WorkflowActions (in Microsoft.SharePoint.WorkflowActions.dll)
This activity responds to the ITaskService.OnTaskChanged event.
Windows SharePoint Services includes several activities that streamline the process of creating, updating, completing, and deleting tasks associated with a workflow. You can also use event-based activities to receive notification when tasks have been created, changed, or deleted.