Bidirectional Port

In our model we require one bi directional port. How can i define a bidirectional port in stateflow.

[Walter Roberson]

http://www.mathworks.com/matlabcentral/answers/29922-why-your-question-is-not-urgent-or-an-emergency

[Kaustubha Govind]

Perhaps you can tell us more what you mean by bi-directional? In the Simulink environment, signals flow is uni-directional. For domains that require bi-directional flow, we have the SimScape environment.