openapi: 3.2.0 info: title: Amazon Web Services ssm-incidents Update Timeline Event API description: Systems Manager Incident Manager is an incident management console designed to help users mitigate and recover from incidents affecting their Amazon Web Services-hosted applications. tags: - name: Update Timeline Event paths: /updateTimelineEvent: POST: summary: Amazon Web Services Updatetimelineevent description: Updates a timeline event. You can update events of type Custom Event. operationId: amazonWebServicesUpdateTimelineEvent tags: - Update Timeline Event