userOperation method
Sends a USER_OPERATION event payload to the Segmentify API.
The payload parameter is required and represents the event payload to be sent.
Returns the response data.
Throws an Exception if an error occurs while sending the event payload.
Implementation
Future<dynamic> userOperation(UserOperationModel user) async {
final payload = await userOperationEvent(user);
final response = await _fireEvent(payload);
return response;
}