Creating Jump Button????

I previously mentioned this in a different post so, apologies for asking again. I didn't understand the answer i got in the other one haha

I'm creating an android game therefore requires no mouse or keyboard, just touch.

I want a button to be on the screen which when touched causes the player to jump.

I created the button which is a 'sprite' and used the touch system which is as follows;

On touched object (button) - action = simulate platform - pressing jump

This doesn't seem to work????

see attached file.

Thanks so much guys. I Figured out what the problem was. The platform that the player was standing on was a moving platform (i created a scrolling background with 'solid' behaviour to give off the impression that the player was running. For some reason this stopped the player from jumping (not a clue why).

So i solved it by keeping everything the same except i created another solid object with '0' opacity making it invisible. I placed the object just above the moving platform so that the player was ever so slightly above the moving platform stopping him from interacting with it. The player now Jumps thanks so much for your help as well!!!