A comma separated list of types of events to filter by. Possible values are:

• add_task_list: Task list was added
• alert_event: Someone was paged or took action on a linked alert
• alert_linked: An alert was linked to the incident
• bulk_milestone_update: When a milestone change occurs with no other changes
• bulk_update: When an incident note/update is posted or when impacted components are updated. If other changes occur together with either of these changes (e.g., milestone change), they are all bundled together into a bulk_update
• change_type: Updates to associated change events
• chat_message: Any chat message event in a linked chat app like Slack or MS Teams
• children_changed: When adding or updating child related incidents
• external_link: When an external link is added or updated
• general_update: Currently only describes Runbook stoppage events
• generic_chat_message: When an event or message is manually added to the timeline via the web UI or API
• incident_attachment: When attachments or files are added to the timeline
• generic_resource_change: Any changes to individual fields within the incident, including custom fields
• incident_restriction: When an incident is converted to private
• incident_status: Only used when an incident starts and changes to an active state
• note: When a message is posted to a status page directly and not via /fh update
• role_update: Any updates to assigned roles
• runbook_attachment: Any updates to a runbook
• runbook_step_execution_update: Any Runbook step events
• task_update: Task update events
• team_assignment: Team assignment events
• ticket_update: Updates to incident and follow-up tickets