MPF Event

A ball (or balls) has just drained. (More specifically, ball(s) have entered a ball device tagged with “drain”.)

This is a relay event.

Keyword arguments

(See the Conditional Events guide for details for how to create entries in your config file that only respond to certain combinations of the arguments below.)

The number of balls that have just drained. Any balls remaining after the relay will be processed as newly-drained balls.
The ball device object that received the ball(s)