This documentation is for an unreleased version of MPF!

This is the developer documentation for MPF 0.54, which is the “dev” (next) release of MPF that is a work-in-progress. Use the “Read the Docs” link in the lower left corner to view the developer docs for the version of MPF you’re using.

monitor_stop (BCP command)

New in version 0.33.

Request from the media controller to the pin controller to stop monitoring events in the specified category. Once a monitor has been started, events will continue to be automatically sent to the media controller from the pin controller via BCP until they are stopped using the monitor_stop or remove_trigger commands.


Media controller



Single string value, type: one of the following options: events, devices, machine_vars, player_vars, switches, modes, ball, or timer.

The value of category determines the category of events to stop monitoring. Options for category are:

  • events - All events in the pin controller
  • devices - All device state changes
  • machine_vars - All machine variable changes
  • player_vars - All player variable changes
  • switches - All switch state changes
  • modes - All mode events (start, stop)
  • core_events - Core MPF events (ball handing, player turn, etc.)