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

Adds specified tags to a resource with the specified ARN. Existing tags on a resource are not changed if they are not specified in the request parameters.

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

```
{
   "resourceArn": "string",
   "tags": [ 
      { 
         "Key": "string",
         "Value": "string"
      }
   ]
}
```

## Request Parameters
<a name="API_TagResource_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.

 ** [resourceArn](#API_TagResource_RequestSyntax) **   <a name="ECR-TagResource-request-resourceArn"></a>
The Amazon Resource Name (ARN) of the the resource to which to add tags. Currently, the only supported resource is an Amazon ECR repository.  
Type: String  
Required: Yes

 ** [tags](#API_TagResource_RequestSyntax) **   <a name="ECR-TagResource-request-tags"></a>
The tags to add to the resource. A tag is an array of key-value pairs. Tag keys can have a maximum character length of 128 characters, and tag values can have a maximum length of 256 characters.  
Type: Array of [Tag](API_Tag.md) objects  
Required: Yes

## 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).

 ** InvalidParameterException **   
The specified parameter is invalid. Review the available parameters for the API request.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 400

 ** InvalidTagParameterException **   
An invalid parameter has been specified. Tag keys can have a maximum character length of 128 characters, and tag values can have a maximum length of 256 characters.  
HTTP Status Code: 400

 ** RepositoryNotFoundException **   
The specified repository could not be found. Check the spelling of the specified repository and ensure that you are performing operations on the correct registry.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 400

 ** ServerException **   
These errors are usually caused by a server-side issue.    
 ** message **   
The error message associated with the exception.
HTTP Status Code: 500

 ** TooManyTagsException **   
The list of tags on the repository is over the limit. The maximum number of tags that can be applied to a repository is 50.  
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/ecr-2015-09-21/TagResource) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/ecr-2015-09-21/TagResource) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/ecr-2015-09-21/TagResource) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/ecr-2015-09-21/TagResource) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/ecr-2015-09-21/TagResource) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/ecr-2015-09-21/TagResource) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/ecr-2015-09-21/TagResource) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/ecr-2015-09-21/TagResource) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/ecr-2015-09-21/TagResource) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/ecr-2015-09-21/TagResource)