setclimb

Exit setclimb(Exit exit, OverlayPackage overlay, Boolean state, Number difficulty)
Contexts: computer function, computer program, standard futureprog
Sets whether an exit overlay is a climb exit and records the associated climb difficulty. Returns the edited exit or null if the exit/package is null or the package is not editable.
exit: The exit to edit or copy into the supplied overlay package.
overlay: The editable overlay package where the change should be made.
state: Whether the exit should require climbing.
difficulty: The climb difficulty enum value to store on the exit.