Adding a coregion to a capsule-based sequence diagram

A coregion is a stereotyped behavior execution that can contain messages or events that are not ordered or and are arbitrarily placed in the coregion. You can create coregions to model events or messages that are not order sensative or when the ordering is not known or is inherently unordered.

About this task

To create a coregion:

Procedure

  1. In the Palette, click Coregion.
  2. In the interaction frame, click the region on the lifeline to insert the coregion.
    Note: You can resize the coregion once it is placed on the lifeline by clicking the coregion and dragging the resize arrows.
  3. Type a name for the coregion.

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