# SnapStart
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The function's [Lambda SnapStart](https://docs.aws.amazon.com/lambda/latest/dg/snapstart.html) setting. Set `ApplyOn` to `PublishedVersions` to create a snapshot of the initialized execution environment when you publish a function version.

## Contents
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 ** ApplyOn **   <a name="lambda-Type-SnapStart-ApplyOn"></a>
Set to `PublishedVersions` to create a snapshot of the initialized execution environment when you publish a function version.  
Type: String  
Valid Values: `PublishedVersions | None`   
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/lambda-2015-03-31/SnapStart) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/lambda-2015-03-31/SnapStart) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/lambda-2015-03-31/SnapStart)