react-native-macos/Libraries/Sample/Sample.m

// Copyright (c) Facebook, Inc. and its affiliates.
//
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.

#import "Sample.h"

@implementation Sample

RCT_EXPORT_MODULE()

RCT_EXPORT_METHOD(test)
{
  // Your implementation here
}

@end