tvplace-first  | The new item will be the first item of its level.  | 
tvplace-last  | The new item will be the last item of its level.  | 
tvplace-sort  | The items in the level will be sorted. It does not make sense to set tvplace-sort for a level where items are not sorted. In other words, if at least one item is added to the level with the PLACEMENT property set to tvplace-sort, all the other items of the same level should be added the same way.  | 
AnyItemID  | The new item will be placed after the item identified by AnyItemID. Obviously, AnyItemID must refer to an item of the level where the new item will be inserted.  | 
modify screen-1-tv-1,        parent      = parentItemId,        placement   = tvplace-sort,        item-to-add = "new item"  |