# SystemManagedBlock
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System-managed metadata for rules created by automated processes such as A/B tests.

## Contents
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 ** managedBy **   <a name="bedrockagentcorecontrol-Type-SystemManagedBlock-managedBy"></a>
The identifier of the system or process that manages this rule.  
Type: String  
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\+\+](https://docs.aws.amazon.com/goto/SdkForCpp/bedrock-agentcore-control-2023-06-05/SystemManagedBlock) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-agentcore-control-2023-06-05/SystemManagedBlock) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-agentcore-control-2023-06-05/SystemManagedBlock)