public EditOperation Operation {get;}

// Use the EditOperation in the RowChangedEventArgs to append actions to be executed. 
//  Your actions will become part of the operation and combined into one item on the undo stack

private void HookRowCreatedEvent()
{
  // subscribe to the RowCreatedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowCreatedEvent.Subscribe(MyRowCreatedEvent, table);
}

private void MyRowCreatedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  // get the edit operation
  var parentEditOp = args.Operation;

  // set up some attributes
  var attribs = new Dictionary<string, object> { };
  attribs.Add("Layer", "Parcels");
  attribs.Add("Description", "OID: " + args.Row.GetObjectID().ToString() + " " + DateTime.Now.ToShortTimeString());

  //create a record in an audit table
  var sTable = MapView.Active.Map.FindStandaloneTables("EditHistory").First();
  var table = sTable.GetTable();
  parentEditOp.Create(table, attribs);
}

// Use the EditOperation in the RowChangedEventArgs to append actions to be executed. 
//  Your actions will become part of the operation and combined into one item on the undo stack

private void HookCreatedEvent()
{
  // subscribe to the RowCreatedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowCreatedEvent.Subscribe(OnRowCreatedEvent, table);
}

private void OnRowCreatedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  // update a separate table not in the map when a row is created
  // You MUST use the ArcGIS.Core.Data API to edit the table. Do NOT
  // use a new edit operation in the RowEvent callbacks
  try
  {
    // get the edit operation
    var parentEditOp = args.Operation;

    // set up some attributes
    var attribs = new Dictionary<string, object> { };
    attribs.Add("Description", "OID: " + args.Row.GetObjectID().ToString() + " " + DateTime.Now.ToShortTimeString());

    // update Notes table with information about the new feature
    using (var geoDatabase = new Geodatabase(new FileGeodatabaseConnectionPath(new Uri(Project.Current.DefaultGeodatabasePath))))
    {
      using (var table = geoDatabase.OpenDataset<Table>("Notes"))
      {
        parentEditOp.Create(table, attribs);
      }
    }
  }
  catch (Exception e)
  {
    MessageBox.Show($@"Error in OnRowCreated for OID: {args.Row.GetObjectID()} : {e.ToString()}");
  }
}

private void HookChangedEvent()
{
  // subscribe to the RowChangedEvent
  Table table = MapView.Active.Map.GetLayersAsFlattenedList().OfType<FeatureLayer>().FirstOrDefault().GetTable();
  RowChangedEvent.Subscribe(MyRowChangedEvent, table);
}

private void MyRowChangedEvent(RowChangedEventArgs args)
{
  // RowEvent callbacks are always called on the QueuedTask so there is no need 
  // to wrap your code within a QueuedTask.Run lambda.

  //example of modifying a field on a row that has been created
  var parentEditOp = args.Operation;

  // avoid recursion
  if (_lastEdit != args.Guid)
  {
    //update field on change
    parentEditOp.Modify(args.Row, "ZONING", "New");

    _lastEdit = args.Guid;
  }
}