sheetPresentationController
The sheet presentation controller for the view controller.
Declaration
var sheetPresentationController: UISheetPresentationController? { get }Discussion
If modalPresentationStyle is UIModalPresentationStyle.pageSheet or UIModalPresentationStyle.formSheet, this property contains a sheet presentation controller instance. Access this instance to customize or adjust the sheet before or after it presents.
If modalPresentationStyle has a value other than UIModalPresentationStyle.pageSheet or UIModalPresentationStyle.formSheet, the value of this property is nil.