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

Creates a tag for an EFS resource. You can create tags for EFS file systems and access points using this API operation.

This operation requires permissions for the `elasticfilesystem:TagResource` action.

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

```
POST /2015-02-01/resource-tags/{{ResourceId}} 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.

 ** [ResourceId](#API_TagResource_RequestSyntax) **   <a name="efs-TagResource-request-uri-ResourceId"></a>
The ID specifying the EFS resource that you want to create a tag for.  
Length Constraints: Maximum length of 128.  
Pattern: `^(arn:aws[-a-z]*:elasticfilesystem:[0-9a-z-:]+:(access-point/fsap|file-system/fs)-[0-9a-f]{8,40}|fs(ap)?-[0-9a-f]{8,40})$`   
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="efs-TagResource-request-Tags"></a>
An array of `Tag` objects to add. Each `Tag` object is a key-value pair.  
Type: Array of [Tag](API_Tag.md) objects  
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>

 ** AccessPointNotFound **   
Returned if the specified `AccessPointId` value doesn't exist in the requester's Amazon Web Services account.    
 ** ErrorCode **   
The error code is a string that uniquely identifies an error condition. It is meant to be read and understood by programs that detect and handle errors by type.   
 ** Message **   
The error message contains a generic description of the error condition in English. It is intended for a human audience. Simple programs display the message directly to the end user if they encounter an error condition they don't know how or don't care to handle. Sophisticated programs with more exhaustive error handling and proper internationalization are more likely to ignore the error message.
HTTP Status Code: 404

 ** BadRequest **   
Returned if the request is malformed or contains an error such as an invalid parameter value or a missing required parameter.    
 ** ErrorCode **   
The error code is a string that uniquely identifies an error condition. It is meant to be read and understood by programs that detect and handle errors by type.   
 ** Message **   
The error message contains a generic description of the error condition in English. It is intended for a human audience. Simple programs display the message directly to the end user if they encounter an error condition they don't know how or don't care to handle. Sophisticated programs with more exhaustive error handling and proper internationalization are more likely to ignore the error message.
HTTP Status Code: 400

 ** FileSystemNotFound **   
Returned if the specified `FileSystemId` value doesn't exist in the requester's Amazon Web Services account.    
 ** ErrorCode **   
The error code is a string that uniquely identifies an error condition. It is meant to be read and understood by programs that detect and handle errors by type.   
 ** Message **   
The error message contains a generic description of the error condition in English. It is intended for a human audience. Simple programs display the message directly to the end user if they encounter an error condition they don't know how or don't care to handle. Sophisticated programs with more exhaustive error handling and proper internationalization are more likely to ignore the error message.
HTTP Status Code: 404

 ** InternalServerError **   
Returned if an error occurred on the server side.    
 ** ErrorCode **   
The error code is a string that uniquely identifies an error condition. It is meant to be read and understood by programs that detect and handle errors by type.   
 ** Message **   
The error message contains a generic description of the error condition in English. It is intended for a human audience. Simple programs display the message directly to the end user if they encounter an error condition they don't know how or don't care to handle. Sophisticated programs with more exhaustive error handling and proper internationalization are more likely to ignore the error message.
HTTP Status Code: 500

## Examples
<a name="API_TagResource_Examples"></a>

### Create Tags on a File System
<a name="API_TagResource_Example_1"></a>

The following request creates three tags (`"key1"`, `"key2"`, and `"key3"`) on the specified file system.

#### Sample Request
<a name="API_TagResource_Example_1_Request"></a>

```
POST /2015-02-01/tag-resource/fs-01234567 HTTP/1.1 
Host: elasticfilesystem.us-west-2.amazonaws.com
x-amz-date: 20140620T221118Z
Authorization: <...>
Content-Type: application/json
Content-Length: 160

{
    "Tags": [
        {
            "Key": "key1",
            "Value": "value1"            
        },
        {
            "Key": "key2",
            "Value": "value2"            
        },
        {
            "Key": "key3",
            "Value": "value3"            
        }
    ]
}
```

#### Sample Response
<a name="API_TagResource_Example_1_Response"></a>

```
HTTP/1.1 204 no content
x-amzn-RequestId: 01234567-89ab-cdef-0123-456789abcdef
```

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

For more information about using this API in one of the language-specific Amazon SDKs, see the following:
+  [Amazon Command Line Interface V2](https://docs.amazonaws.cn/goto/cli2/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/elasticfilesystem-2015-02-01/TagResource) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/elasticfilesystem-2015-02-01/TagResource)