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Requirements Diagrams
The Requirements diagram can be used to visualize Requirements and their relationships to other elements, including other Requirements. You can of course view Requirements in a number of other ways, but for many stakeholders the Requirements diagram will be more appealing as it provides a graphical way to view the Requirements' connections to other important parts of the model, including stakeholders, architecture, design and tests. This diagram shows how Requirements can be viewed along with their connection to other elements. A Requirement stating that unauthorized vehicles should not be allowed to gain access to the car park is allocated to the Activity 'Restrict Unauthorized Vehicles', which in turn is allocated to a Block representing the Boom Gate.

A Requirements diagram can be created from a number of different locations in the user interface, including from the ribbon option 'Design > Diagram > Add Diagram'.
The 'New Diagram' dialog will be displayed, and the Requirements diagram can be selected from the list of SysML diagram types. For more information, see the SysML Requirements Modeling Help topic.