string polly_action
string text
string text_type
string language_code
string voice_id
string output_format
string output_path
string sample_rate
string lexicon_content
string lexicon_name
string[] lexicon_names
string[] speech_mark_types
uint32 max_results
string next_token
string sns_topic_arn
string task_id
string task_status
string output_s3_bucket_name
string output_s3_key_prefix
bool include_additional_language_codes
---
string result