# UpdateThesaurus
<a name="API_UpdateThesaurus"></a>

Updates a thesaurus for an index.

## Request Syntax
<a name="API_UpdateThesaurus_RequestSyntax"></a>

```
{
   "Description": "string",
   "Id": "string",
   "IndexId": "string",
   "Name": "string",
   "RoleArn": "string",
   "SourceS3Path": { 
      "Bucket": "string",
      "Key": "string"
   }
}
```

## Request Parameters
<a name="API_UpdateThesaurus_RequestParameters"></a>

For information about the parameters that are common to all actions, see [Common Parameters](CommonParameters.md).

The request accepts the following data in JSON format.

 ** [Description](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-Description"></a>
A new description for the thesaurus.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1000.  
Pattern: `^\P{C}*$`   
Required: No

 ** [Id](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-Id"></a>
The identifier of the thesaurus you want to update.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9_-]*`   
Required: Yes

 ** [IndexId](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-IndexId"></a>
The identifier of the index for the thesaurus.  
Type: String  
Length Constraints: Fixed length of 36.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9-]*`   
Required: Yes

 ** [Name](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-Name"></a>
A new name for the thesaurus.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Pattern: `[a-zA-Z0-9][a-zA-Z0-9_-]*`   
Required: No

 ** [RoleArn](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-RoleArn"></a>
An IAM role that gives Amazon Kendra permissions to access thesaurus file specified in `SourceS3Path`.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 1284.  
Pattern: `arn:[a-z0-9-\.]{1,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[a-z0-9-\.]{0,63}:[^/].{0,1023}`   
Required: No

 ** [SourceS3Path](#API_UpdateThesaurus_RequestSyntax) **   <a name="kendra-UpdateThesaurus-request-SourceS3Path"></a>
Information required to find a specific file in an Amazon S3 bucket.  
Type: [S3Path](API_S3Path.md) object  
Required: No

## Response Elements
<a name="API_UpdateThesaurus_ResponseElements"></a>

If the action is successful, the service sends back an HTTP 200 response with an empty HTTP body.

## Errors
<a name="API_UpdateThesaurus_Errors"></a>

For information about the errors that are common to all actions, see [Common Error Types](CommonErrors.md).

 ** AccessDeniedException **   
You don't have sufficient access to perform this action. Please ensure you have the required permission policies and user accounts and try again.  
HTTP Status Code: 400

 ** ConflictException **   
A conflict occurred with the request. Please fix any inconsistences with your resources and try again.  
HTTP Status Code: 400

 ** InternalServerException **   
An issue occurred with the internal server used for your Amazon Kendra service. Please wait a few minutes and try again, or contact [Support](http://aws.amazon.com/contact-us/) for help.  
HTTP Status Code: 500

 ** ResourceNotFoundException **   
The resource you want to use doesn’t exist. Please check you have provided the correct resource and try again.  
HTTP Status Code: 400

 ** ThrottlingException **   
The request was denied due to request throttling. Please reduce the number of requests and try again.  
HTTP Status Code: 400

 ** ValidationException **   
The input fails to satisfy the constraints set by the Amazon Kendra service. Please provide the correct input and try again.  
HTTP Status Code: 400

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS Command Line Interface V2](https://docs.aws.amazon.com/goto/cli2/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/kendra-2019-02-03/UpdateThesaurus) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/kendra-2019-02-03/UpdateThesaurus)