# LexConfiguration
<a name="API_LexConfiguration"></a>

The configuration for an Amazon Lex V2 bot.

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

 ** LexBotAliasArn **   <a name="chimesdk-Type-LexConfiguration-LexBotAliasArn"></a>
The ARN of the Amazon Lex V2 bot's alias. The ARN uses this format: `arn:aws:lex:REGION:ACCOUNT:bot-alias/MYBOTID/MYBOTALIAS`   
Type: String  
Length Constraints: Minimum length of 15. Maximum length of 2048.  
Pattern: `arn:aws:lex:[a-z]{2}-[a-z]+-\d{1}:\d{12}:bot-alias/[A-Z0-9]{10}/[A-Z0-9]{10}`   
Required: Yes

 ** LocaleId **   <a name="chimesdk-Type-LexConfiguration-LocaleId"></a>
Identifies the Amazon Lex V2 bot's language and locale. The string must match one of the supported locales in Amazon Lex V2. All of the intents, slot types, and slots used in the bot must have the same locale. For more information, see [Supported languages](https://docs.aws.amazon.com/lexv2/latest/dg/how-languages.html) in the *Amazon Lex V2 Developer Guide*.  
Type: String  
Required: Yes

 ** InvokedBy **   <a name="chimesdk-Type-LexConfiguration-InvokedBy"></a>
Specifies the type of message that triggers a bot.  
Type: [InvokedBy](API_InvokedBy.md) object  
Required: No

 ** RespondsTo **   <a name="chimesdk-Type-LexConfiguration-RespondsTo"></a>
 **Deprecated**. Use `InvokedBy` instead.
Determines whether the Amazon Lex V2 bot responds to all standard messages. Control messages are not supported.  
Type: String  
Valid Values: `STANDARD_MESSAGES`   
Required: No

 ** WelcomeIntent **   <a name="chimesdk-Type-LexConfiguration-WelcomeIntent"></a>
The name of the welcome intent configured in the Amazon Lex V2 bot.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `^([A-Za-z]_?)+$`   
Required: No

## See Also
<a name="API_LexConfiguration_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/chime-sdk-identity-2021-04-20/LexConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-identity-2021-04-20/LexConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-identity-2021-04-20/LexConfiguration)