Adding time triggers to transitions

In UML modeling, a time trigger is an event that represents the passage of a defined period of time or an absolute time. A transition with a time trigger initiates when the time value is satisfied.

Before you can add a trigger to a transition, you must have a state machine diagram open in the Modeling perspective.
To add a time trigger to a transition:
  1. Right-click a transition; then click Add UML > Time Trigger.
  2. Type a name and press Enter.
Related concepts
States, regions, and transitions
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