# UpdateExperiment
<a name="API_UpdateExperiment"></a>

Adds, updates, or removes the description of an experiment. Updates the display name of an experiment.

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

```
{
   "Description": "string",
   "DisplayName": "string",
   "ExperimentName": "string"
}
```

## Request Parameters
<a name="API_UpdateExperiment_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_UpdateExperiment_RequestSyntax) **   <a name="sagemaker-UpdateExperiment-request-Description"></a>
The description of the experiment.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 3072.  
Pattern: `.*`   
Required: No

 ** [DisplayName](#API_UpdateExperiment_RequestSyntax) **   <a name="sagemaker-UpdateExperiment-request-DisplayName"></a>
The name of the experiment as displayed. The name doesn't need to be unique. If `DisplayName` isn't specified, `ExperimentName` is displayed.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 120.  
Pattern: `[a-zA-Z0-9](-*[a-zA-Z0-9]){0,119}`   
Required: No

 ** [ExperimentName](#API_UpdateExperiment_RequestSyntax) **   <a name="sagemaker-UpdateExperiment-request-ExperimentName"></a>
The name of the experiment to update.  
Type: String  
Length Constraints: Minimum length of 1. Maximum length of 120.  
Pattern: `[a-zA-Z0-9](-*[a-zA-Z0-9]){0,119}`   
Required: Yes

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

```
{
   "ExperimentArn": "string"
}
```

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

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

The following data is returned in JSON format by the service.

 ** [ExperimentArn](#API_UpdateExperiment_ResponseSyntax) **   <a name="sagemaker-UpdateExperiment-response-ExperimentArn"></a>
The Amazon Resource Name (ARN) of the experiment.  
Type: String  
Length Constraints: Minimum length of 0. Maximum length of 256.  
Pattern: `arn:aws[a-z\-]*:sagemaker:[a-z0-9\-]*:[0-9]{12}:experiment/.*` 

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

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

 ** ConflictException **   
There was a conflict when you attempted to modify a SageMaker entity such as an `Experiment` or `Artifact`.  
HTTP Status Code: 400

 ** ResourceNotFound **   
Resource being access is not found.  
HTTP Status Code: 400

## See Also
<a name="API_UpdateExperiment_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/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for .NET V4](https://docs.aws.amazon.com/goto/DotNetSDKV4/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for Go v2](https://docs.aws.amazon.com/goto/SdkForGoV2/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for JavaScript V3](https://docs.aws.amazon.com/goto/SdkForJavaScriptV3/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for Kotlin](https://docs.aws.amazon.com/goto/SdkForKotlin/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for PHP V3](https://docs.aws.amazon.com/goto/SdkForPHPV3/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for Python](https://docs.aws.amazon.com/goto/boto3/sagemaker-2017-07-24/UpdateExperiment) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/sagemaker-2017-07-24/UpdateExperiment)