how to get value to workspace from simulink model when paused?which is running in a for loop

I am running script to open a simulink model and simulate it in a for loop for 100 steps,in which i want to pause my simulation at 30th step and pass the values from simulink model to workspace,,,,in a for loop models are not giving values to workspace

[Arun Badigannavar]

anybody have idea how to do it