Performs the My Trade Me Method: Adds a listing to the authenticated user’s watchlist with the option to control when and if an email is sent to the member warning that the auction is closing soon. POST
public XDocument SaveListingToWatchlist(SaveToWatchlistRequest request) { var query = String.Format(Constants.Culture, "{0}/{1}{2}", Constants.MY_TRADEME, Constants.WATCHLIST, Constants.XML); return _connection.Post(request, query); }