Internal Requirements

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Internal requirements in Enterprise Architect are Class (or any element) Responsibilities.

In the example below an internal responsibility to enable the user to login to the system has been defined for the Login Use Case. This is a responsibility of the Use Case - an action it is responsible for carrying out - and it applies only to this Use Case.

The Use Case also has connections to external requirements - which are system functions that the Use Case implements either in full or in part.