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