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Message, Signal, Escalation

Reference elements that resolve a name expression against the execution message. Used by Definition.sendMessage and by message/signal/escalation event definitions to address a specific target.

Each element exposes the same shape and is instantiated automatically when the BPMN XML contains bpmn:Message, bpmn:Signal, or bpmn:Escalation.

Properties:

  • id: element id
  • type: element type, e.g. bpmn:Message
  • name: optional name, may be an expression resolved against the execution message
  • parent: parent element reference
  • environment: shared environment

resolve(executionMessage)

Resolve the reference for the given execution message. Returns an object with id, type, messageType, name (resolved if present), and parent. messageType is one of 'message', 'signal', or 'escalation'.

Used internally by Definition.sendMessage when the message id matches a Message, Signal, or Escalation element.