# InputDataConfig
<a name="API_InputDataConfig"></a>

The input properties for an inference job. The document reader config field applies only to non-text inputs for custom analysis.

## Contents
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 ** S3Uri **   <a name="comprehend-Type-InputDataConfig-S3Uri"></a>
The Amazon S3 URI for the input data. The URI must be in same Region as the API endpoint that you are calling. The URI can point to a single input file or it can provide the prefix for a collection of data files.   
For example, if you use the URI `S3://bucketName/prefix`, if the prefix is a single file, Amazon Comprehend uses that file as input. If more than one file begins with the prefix, Amazon Comprehend uses all of them as input.  
Type: String  
Length Constraints: Maximum length of 1024.  
Pattern: `s3://[a-z0-9][\.\-a-z0-9]{1,61}[a-z0-9](/.*)?`   
Required: Yes

 ** DocumentReaderConfig **   <a name="comprehend-Type-InputDataConfig-DocumentReaderConfig"></a>
Provides configuration parameters to override the default actions for extracting text from PDF documents and image files.  
Type: [DocumentReaderConfig](API_DocumentReaderConfig.md) object  
Required: No

 ** InputFormat **   <a name="comprehend-Type-InputDataConfig-InputFormat"></a>
Specifies how the text in an input file should be processed:  
+  `ONE_DOC_PER_FILE` - Each file is considered a separate document. Use this option when you are processing large documents, such as newspaper articles or scientific papers.
+  `ONE_DOC_PER_LINE` - Each line in a file is considered a separate document. Use this option when you are processing many short documents, such as text messages.
Type: String  
Valid Values: `ONE_DOC_PER_FILE | ONE_DOC_PER_LINE`   
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/InputDataConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/comprehend-2017-11-27/InputDataConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/comprehend-2017-11-27/InputDataConfig)