# NamedEntityDefinition
<a name="API_NamedEntityDefinition"></a>

A structure that represents a named entity.

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

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

 ** FieldName **   <a name="QS-Type-NamedEntityDefinition-FieldName"></a>
The name of the entity.  
Type: String  
Length Constraints: Maximum length of 256.  
Required: No

 ** Metric **   <a name="QS-Type-NamedEntityDefinition-Metric"></a>
The definition of a metric.  
Type: [NamedEntityDefinitionMetric](API_NamedEntityDefinitionMetric.md) object  
Required: No

 ** PropertyName **   <a name="QS-Type-NamedEntityDefinition-PropertyName"></a>
The property name to be used for the named entity.  
Type: String  
Length Constraints: Maximum length of 256.  
Required: No

 ** PropertyRole **   <a name="QS-Type-NamedEntityDefinition-PropertyRole"></a>
The property role. Valid values for this structure are `PRIMARY` and `ID`.  
Type: String  
Valid Values: `PRIMARY | ID`   
Required: No

 ** PropertyUsage **   <a name="QS-Type-NamedEntityDefinition-PropertyUsage"></a>
The property usage. Valid values for this structure are `INHERIT`, `DIMENSION`, and `MEASURE`.  
Type: String  
Valid Values: `INHERIT | DIMENSION | MEASURE`   
Required: No

## See Also
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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/quicksight-2018-04-01/NamedEntityDefinition) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/quicksight-2018-04-01/NamedEntityDefinition) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/quicksight-2018-04-01/NamedEntityDefinition)