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