From the NannyMUD documentation

LAST CHANGE

2002-07-08

FUNCTION

NAME
        add_worth - Gather info for the wizlist.


AVAILABILITY
        Objects in /room, /obj and /std only can use this efun.

SYNTAX
        varargs void add_worth(int amount [, object ob] )

DESCRIPTION
        Using this function, the game keeps track of data for the
	wizlist. From the stored data, a moving average is computed
	which is shown in the wizlist.

	The first argument is the amount.

	The second argument is optional, and defaults to
	previous_object(). The 'amount' is added to the data for the
	creator of 'ob'.


NOTE
        This efun can only be called from object in /std, /obj and
	/room.