# AdConditioningConfiguration
<a name="API_AdConditioningConfiguration"></a>

The setting that indicates what conditioning MediaTailor will perform on ads that the ad decision server (ADS) returns.

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

 ** StreamingMediaFileConditioning **   <a name="mediatailor-Type-AdConditioningConfiguration-StreamingMediaFileConditioning"></a>
For ads that have media files with streaming delivery and supported file extensions, indicates what transcoding action MediaTailor takes when it first receives these ads from the ADS. `TRANSCODE` indicates that MediaTailor must transcode the ads. `NONE` indicates that you have already transcoded the ads outside of MediaTailor and don't need them transcoded as part of the ad insertion workflow. For more information about ad conditioning see [Using preconditioned ads](https://docs.aws.amazon.com/mediatailor/latest/ug/precondition-ads.html) in the AWS Elemental MediaTailor user guide.  
Type: String  
Valid Values: `TRANSCODE | NONE`   
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/mediatailor-2018-04-23/AdConditioningConfiguration) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/mediatailor-2018-04-23/AdConditioningConfiguration) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/mediatailor-2018-04-23/AdConditioningConfiguration)