public static void AddTags(string listId, string taskSeriesId, string taskId, string tags) { if (String.IsNullOrEmpty(tags)) { Log <RTM> .Debug("Tags to add is empty or null string."); } else { try { rtm.TasksAddTags(timeline, listId, taskSeriesId, taskId, tags); } catch (RtmException e) { Log <RTM> .Debug(e.Message); return; } FinalizeAction(AddinManager.CurrentLocalizer.GetString("Tags Added"), AddinManager.CurrentLocalizer.GetString("New tags have been successfully added to the selected task.")); } }