The delivery confirmation level.

Enumeration Members

DeliveryConfirmationWithAdultSignature: "DeliveryConfirmationWithAdultSignature"
DeliveryConfirmationWithoutSignature: "DeliveryConfirmationWithoutSignature"
DeliveryConfirmationWithSignature: "DeliveryConfirmationWithSignature"
NoPreference: "NoPreference"
NoTracking: "NoTracking"