public static ActivityStream Create(ActivityAction action, string targetType, ulong targetId = 0) { ActivityStream activityStream = new ActivityStream(); activityStream.target_type = targetType; activityStream.target_id = (uint)targetId; activityStream.subject_id = action.subject_id; activityStream.subject_type = action.subject_type; activityStream.object_id = action.object_id; activityStream.object_type = action.object_type; activityStream.type = action.type; activityStream.action_id = action.action_id; return(activityStream); }