# DeleteRecommendationPreferences
<a name="API_DeleteRecommendationPreferences"></a>

Deletes a recommendation preference, such as enhanced infrastructure metrics.

For more information, see [Activating enhanced infrastructure metrics](https://docs.amazonaws.cn/compute-optimizer/latest/ug/enhanced-infrastructure-metrics.html) in the * Amazon Compute Optimizer User Guide*.

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

```
{
   "recommendationPreferenceNames": [ "{{string}}" ],
   "resourceType": "{{string}}",
   "scope": { 
      "name": "{{string}}",
      "value": "{{string}}"
   }
}
```

## Request Parameters
<a name="API_DeleteRecommendationPreferences_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.

 ** [recommendationPreferenceNames](#API_DeleteRecommendationPreferences_RequestSyntax) **   <a name="computeoptimizer-DeleteRecommendationPreferences-request-recommendationPreferenceNames"></a>
The name of the recommendation preference to delete.  
Type: Array of strings  
Valid Values: `EnhancedInfrastructureMetrics | InferredWorkloadTypes | ExternalMetricsPreference | LookBackPeriodPreference | PreferredResources | UtilizationPreferences`   
Required: Yes

 ** [resourceType](#API_DeleteRecommendationPreferences_RequestSyntax) **   <a name="computeoptimizer-DeleteRecommendationPreferences-request-resourceType"></a>
The target resource type of the recommendation preference to delete.  
The `Ec2Instance` option encompasses standalone instances and instances that are part of Auto Scaling groups. The `AutoScalingGroup` option encompasses only instances that are part of an Auto Scaling group.  
Type: String  
Valid Values: `Ec2Instance | AutoScalingGroup | RdsDBInstance | AuroraDBClusterStorage`   
Required: Yes

 ** [scope](#API_DeleteRecommendationPreferences_RequestSyntax) **   <a name="computeoptimizer-DeleteRecommendationPreferences-request-scope"></a>
An object that describes the scope of the recommendation preference to delete.  
You can delete recommendation preferences that are created at the organization level (for management accounts of an organization only), account level, and resource level. For more information, see [Activating enhanced infrastructure metrics](https://docs.amazonaws.cn/compute-optimizer/latest/ug/enhanced-infrastructure-metrics.html) in the * Amazon Compute Optimizer User Guide*.  
Type: [Scope](API_Scope.md) object  
Required: No

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

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

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

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

 ** AccessDeniedException **   
You do not have sufficient access to perform this action.  
HTTP Status Code: 400

 ** InternalServerException **   
An internal error has occurred. Try your call again.  
HTTP Status Code: 500

 ** InvalidParameterValueException **   
The value supplied for the input parameter is out of range or not valid.  
HTTP Status Code: 400

 ** MissingAuthenticationToken **   
The request must contain either a valid (registered) Amazon access key ID or X.509 certificate.  
HTTP Status Code: 400

 ** OptInRequiredException **   
The account is not opted in to Amazon Compute Optimizer.  
HTTP Status Code: 400

 ** ResourceNotFoundException **   
A resource that is required for the action doesn't exist.  
HTTP Status Code: 400

 ** ServiceUnavailableException **   
The request has failed due to a temporary failure of the server.  
HTTP Status Code: 500

 ** ThrottlingException **   
The request was denied due to request throttling.  
HTTP Status Code: 400

## See Also
<a name="API_DeleteRecommendationPreferences_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/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for .NET V4](https://docs.amazonaws.cn/goto/DotNetSDKV4/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for C\+\+](https://docs.amazonaws.cn/goto/SdkForCpp/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for Go v2](https://docs.amazonaws.cn/goto/SdkForGoV2/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for Java V2](https://docs.amazonaws.cn/goto/SdkForJavaV2/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for JavaScript V3](https://docs.amazonaws.cn/goto/SdkForJavaScriptV3/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for Kotlin](https://docs.amazonaws.cn/goto/SdkForKotlin/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for PHP V3](https://docs.amazonaws.cn/goto/SdkForPHPV3/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for Python](https://docs.amazonaws.cn/goto/boto3/compute-optimizer-2019-11-01/DeleteRecommendationPreferences) 
+  [Amazon SDK for Ruby V3](https://docs.amazonaws.cn/goto/SdkForRubyV3/compute-optimizer-2019-11-01/DeleteRecommendationPreferences)