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.

However, if you want a more stable version, select the v:stable version from the lower-left corner of this page. You can always update to the latest at any time.


The software that runs a pinball machine is really complex. Even though MPF hides a lot of that complexity from you, it’s still helpful to know exactly what’s going on under the hood. This diagram shows the high level flow. Read on to see the details of each step.