Rapid fire

Need help with making a rapid fire for an ar and melee if you know how to do it pm me do we can set up a tv so you can show me how (I already know about the thread on how to do it but I'm still having troubles with it I contacted the guy with the Pokemon pic avatar ;can't remember name) and he said he dost know how so now im askin the community for help

Turn on rapid fire, start shooting?

ITS noT on a hack its just a mod im trying to make but having troubles with it