# CachingConfig
<a name="API_CachingConfig"></a>

The caching configuration for a resolver that has caching activated.

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

 ** ttl **   <a name="appsync-Type-CachingConfig-ttl"></a>
The TTL in seconds for a resolver that has caching activated.  
Valid values are 1–3,600 seconds.  
Type: Long  
Required: Yes

 ** cachingKeys **   <a name="appsync-Type-CachingConfig-cachingKeys"></a>
The caching keys for a resolver that has caching activated.  
Valid values are entries from the `$context.arguments`, `$context.source`, and `$context.identity` maps.  
Type: Array of strings  
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/appsync-2017-07-25/CachingConfig) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/appsync-2017-07-25/CachingConfig) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/appsync-2017-07-25/CachingConfig)