.DT set_light_change $MUDNAME$ outside help set_light_change Name .SI 5 set_light_change - Set the light change function. .EI Syntax .SI 5 void set_light_change(string str); .EI Description .SP 5 5 Sets the function that is called when the light level in a room changes from day to night. .EP See also .SP 5 5 query_light_change .EP