Filter Entities
Filter the entities that are not applicable to the entity displayed in the Entity Editor.
Right-click on an entity, or click 
, then toggle the Filter Entities option in
the context menu.
, then toggle the Filter Entities option in
the context menu.
When you try to assign an entity and the filter is off, all
of the entities available in the model will display in the Advanced
Selection dialog.
When on, any entities that cannot be assigned or are not applicable are made unavailable for selection. The status bar displays the filter criteria and the number of entities that pass the filter.