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# Factorio Prototype Docs Version 2.0.7

## ProcessionAudioEventType :: union

Type of ProcessionAudioEvent.

#### Union members

`"play-sound"` | Plays a single sound once.
`"start-looped-sound"` | Starts a looping sound under a specified index until "stop-looped-sound" is triggered or the procession ends. Starting a second looped sound will stop the first.
`"stop-looped-sound"` | Ends a looping sound under a specified index.

Type used in

- ProcessionAudioEvent::type