# AutomatedReasoningPolicyUpdateRuleMutation
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A mutation operation that modifies an existing rule in the policy definition during the build process.

## Contents
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 ** rule **   <a name="bedrock-Type-AutomatedReasoningPolicyUpdateRuleMutation-rule"></a>
The updated rule definition containing the modified formal logical expression and any changed metadata for the existing rule.  
Type: [AutomatedReasoningPolicyDefinitionRule](API_AutomatedReasoningPolicyDefinitionRule.md) object  
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/bedrock-2023-04-20/AutomatedReasoningPolicyUpdateRuleMutation) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/bedrock-2023-04-20/AutomatedReasoningPolicyUpdateRuleMutation) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/bedrock-2023-04-20/AutomatedReasoningPolicyUpdateRuleMutation)