The top-level message returned from the StreamingDetectIntent
method. Multiple response messages can be returned in order: 1. If
the input was set to streaming audio, the first one or more
messages contain recognition_result. Each recognition_result
represents a more complete transcript of what the user said. The last
recognition_result has is_final set to true. 2. The next
message contains response_id, query_result,
alternative_query_results and optionally webhook_status if a
WebHook was called. 3. If output_audio_config was specified in
the request or agent-level speech synthesizer is configured, all
subsequent messages contain output_audio and
output_audio_config.
The result of speech recognition.
If Knowledge Connectors are enabled, there could be more than
one result returned for a given query or event, and this field
will contain all results except for the top one, which is
captured in query_result. The alternative results are ordered
by decreasing QueryResult.intent_detection_confidence. If
Knowledge Connectors are disabled, this field will be empty
until multiple responses for regular intents are supported, at
which point those additional results will be surfaced here.
The audio data bytes encoded as specified in the request.
Note: The output audio is generated based on the values of
default platform text responses found in the
query_result.fulfillment_messages field. If multiple
default text responses exist, they will be concatenated when
generating audio. If no default platform text responses exist,
the generated audio content will be empty. In some scenarios,
multiple output audio fields may be present in the response
structure. In these cases, only the top-most-level audio
output has content.