# Recommendation
<a name="API_Recommendation"></a>

An Amazon Redshift Advisor recommended action on the Amazon Redshift cluster.

## Contents
<a name="API_Recommendation_Contents"></a>

**Note**  
In the following list, the required parameters are described first.

 ** ClusterIdentifier **   
The unique identifier of the cluster for which the recommendation is returned.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** CreatedAt **   
The date and time (UTC) that the recommendation was created.  
Type: Timestamp  
Required: No

 ** Description **   
The description of the recommendation.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** Id **   
A unique identifier of the Advisor recommendation.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** ImpactRanking **   
The scale of the impact that the Advisor recommendation has to the performance and cost of the cluster.  
Type: String  
Valid Values: `HIGH | MEDIUM | LOW`   
Required: No

 ** NamespaceArn **   
The Amazon Redshift cluster namespace ARN for which the recommendations is returned.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** Observation **   
The description of what was observed about your cluster.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** RecommendationText **   
The description of the recommendation.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** RecommendationType **   
The type of Advisor recommendation.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

 ** RecommendedActions.RecommendedAction.N **   
List of Amazon Redshift recommended actions.  
Type: Array of [RecommendedAction](API_RecommendedAction.md) objects  
Required: No

 ** ReferenceLinks.ReferenceLink.N **   
List of helpful links for more information about the Advisor recommendation.  
Type: Array of [ReferenceLink](API_ReferenceLink.md) objects  
Required: No

 ** Title **   
The title of the recommendation.  
Type: String  
Length Constraints: Maximum length of 2147483647.  
Required: No

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

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/redshift-2012-12-01/Recommendation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/redshift-2012-12-01/Recommendation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/redshift-2012-12-01/Recommendation)