You can create a message from the Toolbox, Browser, or Model menu.
Use the Message tool (or, in a sequence diagram, the Self Message, Procedure Call Message, or Self Call Message tool) in the Toolbox.
Select to access the List of Messages, and click the Add a Row tool.
Right-click the model (or a package) in the Browser, and select .
Open the property sheet of an instance link (in a communication diagram), click the Messages tab, and click the Create a New Message tool.
For general information about creating objects, see Core Features Guide > Modeling with PowerDesigner > Objects.