EmailWarmUp : Channel: Email Present only when this notification’s kind is "warmup". The Auto Warm Up campaign’s stage schedule, scheduling strategy, and live status.
Current status of the campaign: * initializing - The stages have been submitted and the schedule is being set up. * draft - The campaign has been created but has not started sending. * active - The campaign is currently working through its stages. * finished - All stages have completed. * canceled - The campaign was canceled before finishing.
How the stage schedule was produced: * recommended - OneSignal generated (and may still adjust) the schedule based on past delivery volumes, scheduled Auto Warm Up emails, and the size of the current audience. * custom - The stages were provided as-is in the create request.