From the NannyMUD documentation

LAST CHANGE

2000-12-12

FUNCTION

NAME
        _signal_wizard - _signal_wizard - the player just wizzed.


LOCATION
        Can be placed in any object.

SYNTAX
        int _signal_wizard();

DESCRIPTION
        When a player becomes a wizard, this function is called in every
        object in his inventory. This allows guildmark etc. to generate
        appropriate messages on the lines.

        If the function returns 1, the standard message 'A new Wizard has
        been born' won't be written /shouted.


SEE ALSO
        _signal_mortal in lfun/_signals/_signal_mortal