Check this out, try to figure it out itself (it's just holding one bool for a few frames/milisecs) if u can't, there's a multum of tutorials (not recommending to follow them though)
Sorry it seems this video doesn't talk about these particular systems, here's one that does:
https://youtu.be/RFix_Kg2Di0?si=kudLS0aMWuff6TUR
thanks, but i use gamemaker 1.4 (because of ps3 exporting)
