# AppInstanceRetentionSettings
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The details of the data-retention settings for an `AppInstance`.

## Contents
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 ** ChannelRetentionSettings **   <a name="chimesdk-Type-AppInstanceRetentionSettings-ChannelRetentionSettings"></a>
The length of time in days to retain the messages in a channel.  
Type: [ChannelRetentionSettings](API_ChannelRetentionSettings.md) object  
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/chime-sdk-identity-2021-04-20/AppInstanceRetentionSettings) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/chime-sdk-identity-2021-04-20/AppInstanceRetentionSettings) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/chime-sdk-identity-2021-04-20/AppInstanceRetentionSettings)