Toggling an onspawn script

So; I'm currently working on a PL script that "executes" when you spawn (Autogives M4 & Keycard) but I want a way to disable it. I semi-know how chatcommands work but would like to know how I would be able to disable the automatic M4 & Keycard from saying "/disable" or enable it from

Also if anyone knows the other way to do chatcmds; if I do "something /respawn" it respawns me & I need a way to get rid of that since It's kind of annoying.


Note: if you need me to explain further just ask me abt it an' i'll try reply with an understandable response