How can i call a Simulink function in a stateflow?

I have a Simulink file with one inport one outport, a Lookup Table block and a function-call Trigger port. I want to execute this file in a stateflow as a function, but i dont know how to call it. What i tried is something like this:

[output of the simulink file]=Name_simulink_file(input to the simulink file)

Answer 1

[Azzi Abdelmalek]

Look at http://www.mathworks.com/help/stateflow/ug/how-to-define-a-simulink-function-in-a-stateflow-chart.html

[Jaime]

Thank you, I used the wrong icon.