DHookGamerules

Setup handle to use to add the hook.

true to make the hook a post hook. (If you need to change the return value or need the return value use a post hook! If you need to change params and return use a pre and post hook!)

Callback for when the hook is removed (Game rules hooks are auto-removed on map end and will call this callback)

Optional callback function, if not set here must be set when creating the hook.