# type corresponds to https://docs.aws.amazon.com/lex/latest/dg/API_runtime_PostContent.html content_type
string content_type
string accept_type
string text_request
# used audio data for convenience to work with audio_common
uint8[] audio_request
---
string text_response
uint8[] audio_response
KeyValue[] slots
string intent_name
string message_format_type
string dialog_state

uint8 error_code
string error_message