The purpose of the requirement model is to show relations between interested parties or between an interested party and processes, projects or applications. The following example shows the requirements defined by the customer and information created by the customer and delivered to the operation. It also shows what the operation delivers back to the customer and the requirements on the customer.

The following picture shows how an interested party model can be combined with a requirement model in the same view. The example shows the requirements of customers, management and offer leaders, and the information received by customers, management and the internal process "Create offer".