Description
A Message Boundary Event is triggered by an arrived message. Once triggered, it changes a normal flow into an exception flow or parallel.
A Message Boundary Event displays any of the following on the diagram:
- A Message Boundary Event name if the name is specified.
- A Message Ref property value if the name is unspecified.
- An Operation Ref property if the name and Message Ref are not specified.
Notation
- Message Boundary Event (Cancel Activity - True)
- Message Boundary Event (Cancel Activity - False)
Related elements
Related diagrams
Related procedures