# Setting Details All the following attributes serve various functions as how the collection/playlist functions inside of Plex Meta Manager. | Attribute | Description & Values | |:------------------------|:------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `name` | **Description:** Used to specify the name off the collection/playlist in Plex as different then the mapping name.
**Values:** Any String | | `limit` | **Description:** Used to specify the max number of items for the collection/playlist
**Values:** Number greater then 0 | | `template` | **Description:** Used to specify a template and template variables to use for this collection/playlist. See the [Templates Page](../templates) for more information.
**Values:** Dictionary | | `run_again` | **Description:** Used to try and add all the missing items to the collection/playlist again after the daily run.
**Default:** `false`
**Values:** `true` or `false` | | `sync_mode` | **Description:** Used to change how builders sync with this collection/playlist.
**Default:** `sync_mode` [settings value](../../config/settings) in the Configuration File
**Values:**
`append`Only Add Items to the Collection
`sync`Add & Remove Items from the Collection
| | `minimum_items` | **Description:** Minimum items that must be found to add to a collection/playlist.
**Default:** `minimum_items` [settings value](../../config/settings) in the Configuration File
**Values:** number greater then 0 | | `delete_below_minimum` | **Description:** Deletes the collection/playlist if below the minimum.
**Default:** `delete_below_minimum` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `delete_not_scheduled` | **Description:** Deletes the collection/playlist if its skipped because its not scheduled.
**Default:** `delete_not_scheduled` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `validate_builders` | **Description:** When set to false the collection/playlist will not fail if one builder fails.
**Default:** `true`
**Values:** `true` or `false` | | `cache_builders` | **Description:** Caches the items found by the builders for a number of days. This is useful if you run the same configuration on multiple libraries/servers in one run just set the value to `1`.
**Default:** `0`
**Values:** number 0 or greater | | `blank_collection` | **Description:** When set to true the collection will be created with no builders and no items added.
**Default:** `false`
**Values:** `true` or `false` | | `build_collection` | **Description:** When set to false the collection won't be created but items can still be added to Radarr/Sonarr. Does not work for playlists.
**Default:** `true`
**Values:** `true` or `false` | | `server_preroll` | **Description:** Used to set the `Movie pre-roll video` Text box in Plex under Settings -> Extras.
You can run this with a [schedule](schedule) to change the pre-rolls automatically.
**Values:** Any String | | `missing_only_released` | **Description:** Collection/Playlist Level `missing_only_released` toggle.
**Default:** `missing_only_released` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `only_filter_missing` | **Description:** Collection/Playlist Level `only_filter_missing` toggle.
**Default:** `only_filter_missing` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `show_filtered` | **Description:** Collection/Playlist level `show_filtered` toggle.
**Default:** `show_filtered` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `show_missing` | **Description:** Collection/Playlist level `show_missing` toggle.
**Default:** `show_missing` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `save_missing` | **Description:** Collection/Playlist level `save_missing` toggle.
**Default:** `save_missing` [settings value](../../config/settings) in the Configuration File
**Values:** `true` or `false` | | `ignore_ids` | **Description:** Collection/Playlist level `ignore_ids` which is combined with the library and global `ignore_ids`.
**Default:** `ignore_ids` [settings value](../../config/settings) in the Configuration File
**Values:** List or comma-separated String of TMDb/TVDb IDs | | `ignore_imdb_ids` | **Description:** Collection/Playlist level `ignore_imdb_ids` which is combined with the library and global `ignore_imdb_ids`.
**Default:** `ignore_imdb_ids` [settings value](../../config/settings) in the Configuration File
**Values:** List or comma-separated String of IMDb IDs | | `name_mapping` | **Description:** Used to specify the folder name in the [Image Assets Directory](../../home/guides/assets) i.e. if your collection/playlist name contains characters that are not allowed in file paths (i.e. for windows `<`, `>`, `:`, `"`, `/`, `\`, `?`, `*` cannot be in the file path), but you want them in your name you can this to specify the name in the file system.
**Values:** Any String | | `test` | **Description:** When running in Test Mode (`--run-tests` [option](../../home/environmental)) only collections/playlists with `test: true` will be run.
**Default:** `false`
**Values:** `true` or `false` | | `changes_webhooks` | **Description:** Used to specify a collection/playlist changes webhook for just this collection/playlist.
**Values:** List of webhooks |