# TagResource
<a name="API_TagResource"></a>

**Note**  
Amazon Q Business will no longer be open to new customers starting on July 31, 2026. If you would like to use the service, please sign up prior to July 30. For capabilities similar to Q Business, explore Amazon Quick. [Learn more](https://docs.aws.amazon.com/amazonq/latest/qbusiness-ug/qbusiness-availability-change.html).

Adds the specified tag to the specified Amazon Q Business application or data source resource. If the tag already exists, the existing value is replaced with the new value.

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

```
POST /v1/tags/{{resourceARN}} HTTP/1.1
Content-type: application/json

{
   "tags": [ 
      { 
         "key": "{{string}}",
         "value": "{{string}}"
      }
   ]
}
```

## URI Request Parameters
<a name="API_TagResource_RequestParameters"></a>

The request uses the following URI parameters.

 ** [resourceARN](#API_TagResource_RequestSyntax) **   <a name="qbusiness-TagResource-request-uri-resourceARN"></a>
The Amazon Resource Name (ARN) of the Amazon Q Business application or data source to tag.  
Length Constraints: Minimum length of 1. Maximum length of 1011.  
Required: Yes

## Request Body
<a name="API_TagResource_RequestBody"></a>

The request accepts the following data in JSON format.

 ** [tags](#API_TagResource_RequestSyntax) **   <a name="qbusiness-TagResource-request-tags"></a>
A list of tag keys to add to the Amazon Q Business application or data source. If a tag already exists, the existing value is replaced with the new value.  
Type: Array of [Tag](API_Tag.md) objects  
Array Members: Minimum number of 0 items. Maximum number of 200 items.  
Required: Yes

## Response Syntax
<a name="API_TagResource_ResponseSyntax"></a>

```
HTTP/1.1 200
```

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

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

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

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

 ** AccessDeniedException **   
 You don't have access to perform this action. Make sure you have the required permission policies and user accounts and try again.  
HTTP Status Code: 403

 ** ConflictException **   
You are trying to perform an action that conflicts with the current status of your resource. Fix any inconsistencies with your resources and try again.    
 ** message **   
The message describing a `ConflictException`.  
 ** resourceId **   
The identifier of the resource affected.  
 ** resourceType **   
The type of the resource affected.
HTTP Status Code: 409

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

 ** ResourceNotFoundException **   
The application or plugin resource you want to use doesn’t exist. Make sure you have provided the correct resource and try again.    
 ** message **   
The message describing a `ResourceNotFoundException`.  
 ** resourceId **   
The identifier of the resource affected.  
 ** resourceType **   
The type of the resource affected.
HTTP Status Code: 404

 ** ThrottlingException **   
The request was denied due to throttling. Reduce the number of requests and try again.  
HTTP Status Code: 429

 ** ValidationException **   
The input doesn't meet the constraints set by the Amazon Q Business service. Provide the correct input and try again.    
 ** fields **   
The input field(s) that failed validation.  
 ** message **   
The message describing the `ValidationException`.  
 ** reason **   
The reason for the `ValidationException`.
HTTP Status Code: 400

## See Also
<a name="API_TagResource_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/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for C\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/qbusiness-2023-11-27/TagResource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/qbusiness-2023-11-27/TagResource)