When does a Behavior Execution Termination Occurrence occur?

A Behavior Execution Termination Occurrence signifies the end of a behavior execution in a model. It specifically occurs when the behavior execution has completed processing and is ready to send a response back to the requesting entity. This is aligned with the concept that the termination of behavior typically involves some form of output, which could be a reply message being sent.

In a modeling context, the reply message represents a communication back to the source that initiated the behavior. Therefore, the termination is closely linked to the act of sending that reply, clearly indicating that the behavior has concluded in terms of its execution and is ready to return control or information.

This distinction is crucial in understanding how behaviors are modeled in terms of their lifecycle, including initiation and completion, allowing modelers to effectively represent system dynamics and interactions.