Extend Extend

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A relationship from an extending use case to an extended use case that specifies how and when the behavior defined in the extending use case can be inserted into the behavior defined in the extended use case.

[collapsed] [expanded] Properties

Rules

[collapsed] [expanded] Extends

Use CaseUse Case (Use Case)

A use case is the specification of a set of actions performed by a system, which yields an observable result that is, typically, of value for one or more actors or other stakeholders of the system.

[collapsed] [expanded] Extended

Use CaseUse Case (Use Case)

[collapsed] [expanded] Usage