# EntityRecognizerMetadataEntityTypesListItem
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Individual item from the list of entity types in the metadata of an entity recognizer.

## Contents
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 ** EvaluationMetrics **   <a name="comprehend-Type-EntityRecognizerMetadataEntityTypesListItem-EvaluationMetrics"></a>
Detailed information about the accuracy of the entity recognizer for a specific item on the list of entity types.   
Type: [EntityTypesEvaluationMetrics](API_EntityTypesEvaluationMetrics.md) object  
Required: No

 ** NumberOfTrainMentions **   <a name="comprehend-Type-EntityRecognizerMetadataEntityTypesListItem-NumberOfTrainMentions"></a>
Indicates the number of times the given entity type was seen in the training data.   
Type: Integer  
Required: No

 ** Type **   <a name="comprehend-Type-EntityRecognizerMetadataEntityTypesListItem-Type"></a>
Type of entity from the list of entity types in the metadata of an entity recognizer.   
Type: String  
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/comprehend-2017-11-27/EntityRecognizerMetadataEntityTypesListItem) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/comprehend-2017-11-27/EntityRecognizerMetadataEntityTypesListItem) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/comprehend-2017-11-27/EntityRecognizerMetadataEntityTypesListItem)