setUserId method

Future<void> setUserId(
  1. String? userId
)

Set a custom user Id.

If your app has its own login system that you want to track users with, you can set the userId.

amplitude.setUserId('user Id');

Implementation

Future<void> setUserId(String? userId) async {
  Map<String, String?> properties = {};
  properties['setUserId'] = userId;

  return await _channel.invokeMethod('setUserId',
      {'instanceName': configuration.instanceName, 'properties': properties});
}