I feel extremely dumb

[magic tide]

Best option is prob to use a function for what you want the code to do in the other file (The one to he activated) then call it in another when you wanna use it (In the one you activate it with).

[fast lark]

I have no idea what any of this means

I can also just put the other script in the main script file but I just need to activate or start the script using an item