Message pathways in communication diagrams

In communication diagrams, a message pathway is a connector between the roles or objects represented by lifelines in the diagram. The pathway identifies the objects that can pass messages in the interaction.

As the following figure illustrates, a message pathway is represented by a solid line that connects one lifeline to another.

Related concepts
Messages in UML diagrams
Related tasks
Creating messages in communication diagrams
Creating message pathways in communication diagrams

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