| `use_separator` | **Description:** Turn the [Separator Collection](separators.md#use-separators) off.<br>**Values:** `false` to turn of the collection |
| `sort_prefix` | **Description:** Changes the prefix of the sort title.<br>**Default:** `!`<br>**Values:** Any String |
| `sort_title` | **Description:** Changes the sort title of all collections.<br>**Default:** `<<sort_prefix>><<collection_section>>_!<<title>>`<br>**Values:** Any String |
| `placeholder_tmdb_movie` | **Description:** Add a placeholder Movie to the Separator. Only valid for Movie libraries.<br>**Values:** TMDb Movie ID |
| `placeholder_tvdb_show` | **Description:** Add a placeholder Show to the Separator. Only valid for Show libraries.<br>**Values:** TVDb Show ID |
| `placeholder_imdb_id` | **Description:** Add a placeholder Movie/Show to the Separator. Valid for Movie or Show libraries assuming the ID points to an item of the correct type.<br>**Values:** IMDb ID |
| `collection_section` | **Description:** Changes the sort order of the collection sections against other default collection sections.<br>**Values:** Any number |
| `collection_mode` | **Description:** Controls the collection mode of all collections in a Defaults file.<br>**Values:**<tableclass="clearTable"><tr><td>`default`</td><td>Library default</td></tr><tr><td>`hide`</td><td>Hide Collection</td></tr><tr><td>`hide_items`</td><td>Hide Items in this Collection</td></tr><tr><td>`show_items`</td><td>Show this Collection and its Items</td></tr></table> |