AWS-AddOpsItemDedupStringToEventBridgeRule - Amazon Systems Manager Automation runbook reference
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The AWS-AddOpsItemDedupStringToEventBridgeRule runbook adds a deduplication string for all Amazon Systems Manager OpsItems associated with an Amazon EventBridge rule. The runbook doesn't add a deduplication string to the rule if one has already been applied. To learn more deduplication strings and OpsItems, see Reducing duplicate OpsItems in the Amazon Systems Manager User Guide .

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Document type





Linux, macOS, Windows


  • AutomationAssumeRole

    Type: String

    Description: (Optional) The Amazon Resource Name (ARN) of the Amazon Identity and Access Management (IAM) role that allows Systems Manager Automation to perform the actions on your behalf. If no role is specified, Systems Manager Automation uses the permissions of the user that starts this runbook.

  • DedupString

    Type: String

    Description: (Required) The deduplication string you want to add to the rule.

  • RuleName

    Type: String

    Description: (Required) The name of the rule you want to add the deduplication string to.

Required IAM permissions

The AutomationAssumeRole parameter requires the following actions to successfully use the runbook.

  • ssm:StartAutomationExecution

  • ssm:GetAutomationExecution

  • events:ListTargetsByRule

  • events:PutTargets

Document Steps

  • aws:executeScript - Adds a deduplication string to the EventBridge rule you specify in the RuleName parameter.