When assigning a behavior of an Activity, Interaction, Protocol State machine, or State Machine type for a state or transition, the corresponding behavior diagram is created automatically:

Double-click the assigned behavior on a state shape to open the diagram. You can also open the behavior diagram from the Model Browser.


To disable an automatic diagram creating


  1. On the Options menu, click Environment. The Environment Options dialog opens.
  2. In General options, Editing category, set the Create behavior diagram when the behavior type is selected for transition effect or state activities value to false (the default value is true).


You can specify behavior properties in the Specification window. In the same window, you can find the description of each property. Descriptions are presented in the description area of the Specification window.

More information

For more information about the Specification window usage, see Specification window.