# UpdateApplication
<a name="API_UpdateApplication"></a>

Changes the name of an application.

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

```
{
   "applicationName": "string",
   "newApplicationName": "string"
}
```

## Request Parameters
<a name="API_UpdateApplication_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.

 ** [applicationName](#API_UpdateApplication_RequestSyntax) **   <a name="CodeDeploy-UpdateApplication-request-applicationName"></a>
The current name of the application you want to change.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Required: No

 ** [newApplicationName](#API_UpdateApplication_RequestSyntax) **   <a name="CodeDeploy-UpdateApplication-request-newApplicationName"></a>
The new name to give the application.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 100.  
Required: No

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

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

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

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

 ** ApplicationAlreadyExistsException **   
An application with the specified name with the user or AWS account already exists.  
HTTP Status Code: 400

 ** ApplicationDoesNotExistException **   
The application does not exist with the user or AWS account.  
HTTP Status Code: 400

 ** ApplicationNameRequiredException **   
The minimum number of required application names was not specified.  
HTTP Status Code: 400

 ** InvalidApplicationNameException **   
The application name was specified in an invalid format.  
HTTP Status Code: 400

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

### Example
<a name="API_UpdateApplication_Example_1"></a>

This example illustrates one usage of UpdateApplication.

#### Sample Request
<a name="API_UpdateApplication_Example_1_Request"></a>

```
POST / HTTP/1.1
Host: codedeploy.us-east-1.amazonaws.com
Accept-Encoding: identity
Content-Length: 95
X-Amz-Target: CodeDeploy_20141006.UpdateApplication
X-Amz-Date: 20160707T025419Z
User-Agent: aws-cli/1.10.6 Python/2.7.9 Windows/7 botocore/1.3.28
Content-Type: application/x-amz-json-1.1
Authorization: AWS4-HMAC-SHA256 Credential=AKIAIOSFODNN7EXAMPLE/20160707/us-east-1/codedeploy/aws4_request, 
	SignedHeaders=content-type;host;user-agent;x-amz-date;x-amz-target, Signature=39c3b3042cd2aEXAMPLE

{
	"applicationName": "TestApp-us-east-1",
	"newApplicationName": "TestApp-us-west-2"
}
```

#### Sample Response
<a name="API_UpdateApplication_Example_1_Response"></a>

```
HTTP/1.1 200 OK
x-amzn-RequestId: 4ccc9cf0-88c9-11e5-8ce3-2704437d0309
Content-Type: application/x-amz-json-1.1
Content-Length: 0
```

## See Also
<a name="API_UpdateApplication_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/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/codedeploy-2014-10-06/UpdateApplication) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/codedeploy-2014-10-06/UpdateApplication)