Available options:
container.transport.vessel_arrived,
container.transport.vessel_discharged,
container.transport.vessel_loaded,
container.transport.vessel_departed,
container.transport.rail_departed,
container.transport.rail_arrived,
container.transport.rail_loaded,
container.transport.rail_unloaded,
container.transport.transshipment_arrived,
container.transport.transshipment_discharged,
container.transport.transshipment_loaded,
container.transport.transshipment_departed,
container.transport.feeder_arrived,
container.transport.feeder_discharged,
container.transport.feeder_loaded,
container.transport.feeder_departed,
container.transport.empty_out,
container.transport.full_in,
container.transport.full_out,
container.transport.empty_in,
container.transport.vessel_berthed,
shipment.estimated.arrival,
tracking_request.succeeded,
tracking_request.failed,
tracking_request.awaiting_manifest,
tracking_request.tracking_stopped,
container.created,
container.updated,
container.pod_terminal_changed,
container.transport.arrived_at_inland_destination,
container.transport.estimated.arrived_at_inland_destination,
container.pickup_lfd.changed
