MediaControl
Smartsite 7 - ...
Allows the user to select (and deselect) multiple images or videos from the Media Library.
This control is automatically used if the EditProgId for the field is set to ItemListInput and a ContentRelation is configured with the name equal to "IMAGES", "VIDEO", "MOVIE" or "MOVIES".
The list entries will be sortable if the content relation specifies a sort column.