- event_type: 'maintenance.scheduled'
  traits:
    service:
      fields: payload.service
    allowed_actions:
      fields: payload.allowed_actions
    instance_ids:
      fields: payload.instance_ids
    reply_url:
      fields: payload.reply_url
    state:
      fields: payload.state
    session_id:
      fields: payload.session_id
    actions_at:
      fields: payload.actions_at
      type: datetime
    project_id:
      fields: payload.project_id
    reply_at:
      fields: payload.reply_at
      type: datetime
    metadata:
      fields: payload.metadata
- event_type: 'maintenance.host'
  traits:
    host:
      fields: payload.host
    project_id:
      fields: payload.project_id
    session_id:
      fields: payload.session_id
    state:
      fields: payload.state