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 procedure