# StartConversationRequestEventStream
<a name="API_runtime_StartConversationRequestEventStream"></a>

Represents a stream of events between your application and Amazon Lex V2.

## Contents
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 ** AudioInputEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-AudioInputEvent"></a>
Speech audio sent from your client application to Amazon Lex V2. Audio starts accumulating when Amazon Lex V2 identifies a voice and continues until a natural pause in the speech is found before processing.  
Type: [AudioInputEvent](API_runtime_AudioInputEvent.md) object  
Required: No

 ** ConfigurationEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-ConfigurationEvent"></a>
Configuration information sent from your client application to Amazon Lex V2  
Type: [ConfigurationEvent](API_runtime_ConfigurationEvent.md) object  
Required: No

 ** DisconnectionEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-DisconnectionEvent"></a>
Event sent from the client application to indicate to Amazon Lex V2 that the conversation is over.  
Type: [DisconnectionEvent](API_runtime_DisconnectionEvent.md) object  
Required: No

 ** DTMFInputEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-DTMFInputEvent"></a>
DTMF information sent to Amazon Lex V2 by your application. Amazon Lex V2 accumulates the DMTF information from when the user sends the first character and ends  
+ when there's a pause longer that the value configured for the end timeout.
+ when there's a digit that is the configured end character.
+ when Amazon Lex V2 accumulates characters equal to the maximum DTMF character configuration.
Type: [DTMFInputEvent](API_runtime_DTMFInputEvent.md) object  
Required: No

 ** PlaybackCompletionEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-PlaybackCompletionEvent"></a>
Event sent from the client application to Amazon Lex V2 to indicate that it has finished playing audio and that Amazon Lex V2 should start listening for user input.  
Type: [PlaybackCompletionEvent](API_runtime_PlaybackCompletionEvent.md) object  
Required: No

 ** TextInputEvent **   <a name="lexv2-Type-runtime_StartConversationRequestEventStream-TextInputEvent"></a>
Text sent from your client application to Amazon Lex V2. Each `TextInputEvent` is processed individually.  
Type: [TextInputEvent](API_runtime_TextInputEvent.md) object  
Required: No

## See Also
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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/StartConversationRequestEventStream) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/runtime.lex.v2-2020-08-07/StartConversationRequestEventStream) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/runtime.lex.v2-2020-08-07/StartConversationRequestEventStream)