# DatasetEntityRecognizerEntityList
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Describes the dataset entity list for an entity recognizer model.

For more information on how the input file is formatted, see [Preparing training data](https://docs.aws.amazon.com/comprehend/latest/dg/prep-training-data-cer.html) in the Comprehend Developer Guide. 

## Contents
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 ** S3Uri **   <a name="comprehend-Type-DatasetEntityRecognizerEntityList-S3Uri"></a>
Specifies the Amazon S3 location where the entity list is located.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `s3://[a-z0-9][\.\-a-z0-9]{1,61}[a-z0-9](/.*)?`   
Required: Yes

## 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/DatasetEntityRecognizerEntityList) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/comprehend-2017-11-27/DatasetEntityRecognizerEntityList) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/comprehend-2017-11-27/DatasetEntityRecognizerEntityList)