You can assign an existing model to objects. The assignment enables you to use a model to describe objects in more detail.
Procedure
Right-click an object and select New > Assignment. If you are using a license covering ARIS UML Designer, the Create assignment dialog opens. Click ARIS model. The Assignment Wizard opens.
Enable the Existing model option. The model types that can be assigned to the selected model in compliance with the method are available for selection.