draggingSequenceNumber A number that uniquely identifies the dragging session. Declaration@MainActor var draggingSequenceNumber: Int { get } See AlsoObtaining information about the dragging sessiondraggingPasteboarddraggingSourcedraggingSourceOperationMaskdraggingLocationdraggingDestinationWindownumberOfValidItemsForDropnamesOfPromisedFilesDropped(atDestination:)