API reference
DictationListener Interface
Member Functions
void OnStart
( DictationListener listener )
Called when dictation has started
void OnMicAudioLevel
( float micLevel )
Called when mic level changes. Used for building UI.
Parameters
micLevel
void OnPartialTranscription
( string transcription )
Called with current predicted transcription. Could change as user speaks.
Parameters
transcription
void OnFinalTranscription
( string transcription )
Final transcription of what the user has said
Parameters
transcription
void OnError
( string errorType,
string errorMessage )
Called when there was an error with the dictation service
Parameters
errorType
The type of error encountered
errorMessage
Human readable message describing the error
void OnStopped
( DictationListener listener )
Called when the dictation session is done
Virtual reality / Meta Horizon
Support and legal
Virtual reality / Meta Horizon
Support and legal
Virtual reality / Meta Horizon
Support and legal
English (US)
© 2026 Meta