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

**Note**  
This object belongs to the [CreatePredictor](API_CreatePredictor.md) operation. If you created your predictor with [CreateAutoPredictor](API_CreateAutoPredictor.md), see [DataConfig](API_DataConfig.md).

The data used to train a predictor. The data includes a dataset group and any supplementary features. You specify this object in the [CreatePredictor](API_CreatePredictor.md) request.

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

 ** DatasetGroupArn **   <a name="forecast-Type-InputDataConfig-DatasetGroupArn"></a>
The Amazon Resource Name (ARN) of the dataset group.  
Type: String  
Length Constraints: Maximum length of 256.  
Pattern: `arn:([a-z\d-]+):forecast:.*:.*:.+`   
Required: Yes

 ** SupplementaryFeatures **   <a name="forecast-Type-InputDataConfig-SupplementaryFeatures"></a>
An array of supplementary features. The only supported feature is a holiday calendar.  
Type: Array of [SupplementaryFeature](API_SupplementaryFeature.md) objects  
Array Members: Minimum number of 1 item. Maximum number of 2 items.  
Required: No

## See Also
<a name="API_InputDataConfig_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/forecast-2018-06-26/InputDataConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/forecast-2018-06-26/InputDataConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/forecast-2018-06-26/InputDataConfig)