For every manual activity, you must assign an actor. To assign an actor, follow the steps below.
If the activity's editor is not yet open, right-click the activity's icon, and then click Properties in the shortcut menu.
Click the Details tab.
Click the Select… button.
The Actor selection panel appears. Select an actor in the list.
Note: You can use the Initiator role as an actor in your manual activity. For more information on the Initiator Role, refer to section Using an Initiator Role below.
Click OK to add the actor in the process flow.