readAttributeOnOffTransitionTime(completion:)
Declaration
func readAttributeOnOffTransitionTime(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeOnOffTransitionTime() async throws -> NSNumberfunc readAttributeOnOffTransitionTime(completion: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributeOnOffTransitionTime() async throws -> NSNumber