Bedrock > Structures > AutomatedReasoningPolicyUpdateTypeMutation AutomatedReasoningPolicyUpdateTypeMutation¶ Structure Class¶ AutomatedReasoningPolicyUpdateTypeMutation dataclass ¶ A mutation operation that modifies an existing custom type in the policy definition during the build process. Attributes¶ type instance-attribute ¶ type: AutomatedReasoningPolicyDefinitionType The updated type definition containing the modified name, description, or values for the existing custom type.