Messages in Communication diagrams can only be depicted on connectors; thus, you should draw a connector before assigning a Message to it.
The following steps show you how to work with messages:
To assign a message to a connector
Click a desired connector on the diagram pane. A Message arrow will be placed on the selected connector.
A Message flow has two directions: right and left. Choose one of them by clicking the associated button on the diagram palette.
To set/remove the advanced numbering of messages
To change current message numbering
If the Edit button is inactive, remove the automatic advanced numbering of Messages.
If you want to display messages on connectors in the Communication diagram you must first implement the following conditions (see the figure below):
To display messages
Related pages
Sample model
The model used in the figures of this page is the Communication diagram sample model. To open this sample do one of the following: