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