readAttributePrimary4Y(completionHandler:)
Declaration
func readAttributePrimary4Y(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributePrimary4Y() async throws -> NSNumberfunc readAttributePrimary4Y(completionHandler: @escaping @Sendable (NSNumber?, (any Error)?) -> Void)func readAttributePrimary4Y() async throws -> NSNumber