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Description

A Message Flow is used to show the flow of messages between two participants who are prepared to send and receive them.

Warning
  • A Message Flow must connect separate Pools. It can be connected to the pool boundary or an element inside the pool.
  • A Message Flow cannot connect two elements in the same Pool.

Messages that are sent by a Message Flow can be displayed on a diagram in two ways:

  • overlapping the Message Flow
  • associated with the Message Flow

However, they can also be hidden.

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Message Flows between two pools.

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Messages overlapping Message Flows

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Message Flows between Pools Inner elements






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