# FileExtension

> The file extension the format uses, without the leading dot.

## Definition

* **Type:** Property
* **Namespace:** [Unity.Localization.Providers.FileTables](/engine/6000.7/script-reference/unity/localization/providers/filetables.md)
* **Assembly:** UnityEngine.LocalizationRuntimeModule

```csharp
string FileExtension { get; }
```

### Remarks

For example, the JSON reader returns "json". A provider builds its file names from this extension.