allowsEmptySelection() Retrieves the empty-selection state of the composition picker view. Declarationfunc allowsEmptySelection() -> Bool Return Valuetrue if an empty selection is allowed false otherwise. See AlsoManaging the Composition Picker ViewsetCompositionsFromRepositoryWithProtocol(_:andAttributes:)compositions()setAllowsEmptySelection(_:)setCompositionAspectRatio(_:)compositionAspectRatio()setSelectedComposition(_:)selectedComposition()