This is the documentation the latest work-in-progress version of MPF!
This is the documentation for MPF 0.57, which is the “dev” (next) release of MPF that is a work-in-progress. This is probably ok, and means you’ll be on the latest, cutting-edge version of MPF.
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Posted when a new ball starts and is ready to be physically ejected to the playfield.
This is a relay event.
(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 name of the ball_device target where the ball will be ejected to. Can be modified by a relay event handler to change the target before the ball is ejected.