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state_machine_transitions:

This is a config file reference. Click for instructions.

This page is reference material which explains every setting and option for this section of an MPF yaml config file. See the instructions for config files for formatting and other details. See our guide to config file examples for more examples of real configs in action.

Valid in
machine config files NO 🚫
mode config files NO 🚫

The state_machine_transitions: section of your config is where you configure the transitions of your state machine.

Transitions will only be available if the state machine is in one of the states listed in source. In that case the machine will transition to the state listed in target. See state machines for details.

Required settings

The following sections are required in the state_machine_transitions: section of your config:

events:

List of one (or more) events.

If the state machine is in one of the states listed in source this event will transition the machine to the state listed in target.

source:

List of one (or more) values, each is a type: string.

Transitions will only be available if the state machine is in one of the states listed in source.

target:

Single value, type: string.

The machine will transition to this state if it is in a state listed in source and one of the events is posted.

Optional settings

The following sections are optional in the state_machine_transitions: section of your config. (If you don't include them, the default will be used).

events_when_transitioning:

List of one (or more) events.

This event will be posted when the transition is triggered.

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