how can i read a certain value / signal inside a simulink model or stateflow?

how can i read a certain value / signal inside a simulink model or stateflow during simulation?( i want to debug a huge model ) thanks

Answer 1

[Azzi Abdelmalek]

You can use a to workspace block

[Gabriela]

I have a problem with this.

this doesn't show me anythink if the all model doesn't work. Another way instead to split the model in pieces and test them doesn't exist?