# AudioResponseEvent
<a name="API_runtime_AudioResponseEvent"></a>

An event sent from Amazon Lex V2 to your client application containing audio to play to the user. 

## Contents
<a name="API_runtime_AudioResponseEvent_Contents"></a>

 ** audioChunk **   <a name="lexv2-Type-runtime_AudioResponseEvent-audioChunk"></a>
A chunk of the audio to play.   
Type: Base64-encoded binary data object  
Required: No

 ** contentType **   <a name="lexv2-Type-runtime_AudioResponseEvent-contentType"></a>
The encoding of the audio chunk. This is the same as the encoding configure in the `contentType` field of the `ConfigurationEvent`.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: No

 ** eventId **   <a name="lexv2-Type-runtime_AudioResponseEvent-eventId"></a>
A unique identifier of the event sent by Amazon Lex V2. The identifier is in the form `RESPONSE-N`, where N is a number starting with one and incremented for each event sent by Amazon Lex V2 in the current session.  
Type: String  
Length Constraints: Minimum length of 2. Maximum length of 100.  
Pattern: `[0-9a-zA-Z._:-]+`   
Required: No

## See Also
<a name="API_runtime_AudioResponseEvent_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/runtime.lex.v2-2020-08-07/AudioResponseEvent) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/runtime.lex.v2-2020-08-07/AudioResponseEvent) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/runtime.lex.v2-2020-08-07/AudioResponseEvent)