How to put a stop action on Macromedia Flash?

I'm new to this, and I'm making something where they tell me to put a stop action on frame 1. How would I go about doing this?How to put a stop action on Macromedia Flash?
Click on the frame you want to put the stop action. Hit the F9 function key on your keyboard. This will open the actions screen.. In the actions screen type: stop();