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A typical “workflow” Task where a human performer performs the Task with the assistance of a software application.Instantiate attribute MUST be set to true.MUST NOT have any incoming Sequence Flow.Once the Message has been received, the Task is completed.Waits for a Message to arrive from an external Participant.allows the inclusion of re-usable Tasks and Processes in the diagram.an end-user or applications are used to perform the Task when it is executed.is used when the work in the Process cannot be broken down to a finer level of detail.an atomic Activity within a Process flow.represent points in a Process flow where work is performed.is work that is performed within a Business Process.
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