Message menu commands The Message menu is available when the Message view is activated. It includes the commands listed below. Command Description Add Event Add a new Event to the Message view. Add Process Add a new Process to the Message view. Add Existing Process Add an existing Process to the Message view. This command opens a dialog box where you browse to and select the Process you want to add. Set Document Type Only applicable when using StreamStudio Composer and Composition Center. This command opens the Select document type dialog box, where you select the appropriate document type.