Note that the `template_variables:` section only needs to be used if you do want to actually change how the defaults work. Any value not specified is its default value if it has one if not it's just ignored.
All [Shared Collection Variables](../collection_variables.md) are available as well as the additional Variables below which can be used to customize the file.
This file contains a [Separator](../separators.md) so all [Shared Separator Variables](../separators.md#shared-separator-variables) are available as well.
| `limit` | **Description:** Changes the Builder Limit for all collections in a Defaults file.<br>**Values:** Number Greater than 0 |
| `limit_<<key>>`<sup>1</sup> | **Description:** Changes the Builder Limit of the specified key's collection.<br>**Default:** `limit`<br>**Values:** Number Greater than 0 |
| `sort_by` | **Description:** Changes the Smart Filter Sort for all collections in a Defaults file.<br>**Default:** `release.desc`<br>**Values:** [Any `smart_filter` Sort Option](../../builders/smart.md#sort-options) |
| `sort_by_<<key>>`<sup>1</sup> | **Description:** Changes the Smart Filter Sort of the specified key's collection.<br>**Default:** `sort_by`<br>**Values:** [Any `smart_filter` Sort Option](../../builders/smart.md#sort-options) |
| `include` | **Description:** Overrides the [default include list](#default-include)<br>**Values:** List of [ISO 639-1 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)<br>**Values:** List of [ISO 639-2 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-2_codes) |
| `exclude` | **Description:** Exclude these Audio Languages from creating a Dynamic Collection.<br>**Values:** List of [ISO 639-1 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)<br>**Values:** List of [ISO 639-2 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-2_codes) |
| `append_include` | **Description:** Appends to the [default include list](#default-include)<br>**Values:** List of [ISO 639-1 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)<br>**Values:** List of [ISO 639-2 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-2_codes) |
| `remove_include` | **Description:** Removes from the [default include list](#default-include)<br>**Values:** List of [ISO 639-1 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes)<br>**Values:** List of [ISO 639-2 codes](https://en.wikipedia.org/wiki/List_of_ISO_639-2_codes) |
| `name_format` | **Description:** Changes the title format of the Dynamic Collections.<br>**Default:** `<<key_name>> Subtitles`<br>**Values:** Any string with `<<key_name>>` in it. |
| `summary_format` | **Description:** Changes the summary format of the Dynamic Collections.<br>**Default:** `<<library_translationU>>s with <<key_name>> Subtitles.`<br>**Values:** Any string. |
