How do I can make this jump when playr fall on clif?

Hi please check this video to understand me i wanna make jump when player is on clif and almost fall but we have couple seconds to make jump! for sure if somebody know how to do that all this tips for better platform game help me alot i really dont know how to make this on C2 youtube.com/watch please help ty.

Check this demo:

howtoconstructdemos.com/coyote-jump-a-simple-trick-that-can-improve-your-platformer-game

You can open it in free version of Construct 3 and copy events to your project.

Thank you!