Creating messages

In sequence diagrams, you can create messages to the lifelines and move messages up or down on the lifeline to reorder the sequence in which they interact with each other.

Procedure

  1. In the lifeline, select the lifeline link to which you want to add a message. In the menu, click the list to view the list of operations and select the operation.
    Select an operation from the list for the lifeline message.
    The message is added to the lifeline.
  2. You can also edit the label of the message later by clicking the edit icon.
    Editing the link to add a message.
    The Edit Link window appears.
    • Type a link name or label in the Link Label field.
    • Type the name of the source in the Source Label.
    • Type the name of the destination lifeline in the Target Label, and click OK.
    The message is created.
    Message to the lifeline link is created.

Results

The messages that are created can be rearranged along the lifeline by moving them up or down.