Bedrock Runtime > Structures > BidirectionalOutputPayloadPart BidirectionalOutputPayloadPart¶ Structure Class¶ BidirectionalOutputPayloadPart dataclass ¶ Output from the bidirectional stream. The output is speech and a text transcription. Attributes¶ bytes_ class-attribute instance-attribute ¶ bytes_: bytes | None = field(repr=False, default=None) The speech output of the bidirectional stream.