| `language` | [ISO 639-1 Code](https://en.wikipedia.org/wiki/List_of_ISO_639-1_codes) of the User Language. | en | :fontawesome-solid-circle-xmark:{ .red } |
| `cache_expiration` | Number of days before each cache mapping expires and has to be re-cached. | 60 | :fontawesome-solid-circle-xmark:{ .red } |
* To get a Client Name and Client Version please follow the following steps.
1. Login to [AniDB](https://anidb.net/)
2. Go to you [API Client Page](https://anidb.net/software/add) and go to the `Add New Project` Tab.
![AniDB Add Project](anidb-1.png)
3. Fill in the Project Name with whatever name you want and then hit `+ Add Project`. The rest of the settings don't matter.
4. After you've added the project you should end up on the Projects Page. If not go back to the [API Client Page](https://anidb.net/software/add) and click your projects name.
5. Once you're on the project page click `Add Client` in the top right.