# Listing Related Hooks
after_new_listing($listingID) - Hook function called after a listing is created. (Listing may not yet be active, so you may want to use the after_actived_listing hook instead if you only want to deal with active listings.
after_listing_change($listingID) - Hook function called after a listing is modified.
after_listing_delete($listingID) - Hook function called after a listing is deleted.
before_listing_delete($listingID) - Hook function called before a listing is deleted.
after_actived_listing($listingID) - Hook function called after a listing is marked as active.
$listingID (int) - The numeric OR listing ID# of the listing.