Description A Timer Boundary Event, which is attached to the boundary of an Activity, change a normal flow into an exception flow upon being triggered. A particular time-date or cycle, for example, on Mondays at 9 A.M., can be specified to trigger a Timer Boundary Event. A Timer Boundary Event displays any of the following on a diagram: - A Timer Boundary Event name if the name is specified.
- A Time Cycle property name if the name is unspecified.
- A Time Date property if the name and Time Cycle are unspecified.
Notation - Timer Boundary Event (Cancel Activity - True)
 - Timer Boundary EventĀ (Cancel Activity - False)

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