# GetSourceExtensions()

> Gets the ISource source extensions registered with this formatter.

## Definition

* **Type:** Method
* **Namespace:** [Unity.SmartStrings](/engine/6000.7/script-reference/unity/smartstrings.md)
* **Assembly:** UnityEngine.SmartStringsModule

```csharp
public IReadOnlyList<ISource> GetSourceExtensions()
```

### Returns

| Type                                                                                                         | Description                                                                                                                             |
| ------------------------------------------------------------------------------------------------------------ | --------------------------------------------------------------------------------------------------------------------------------------- |
| [IReadOnlyList\<ISource>](https://learn.microsoft.com/dotnet/api/system.collections.generic.ireadonlylist-1) | A read-only list of the registered [ISource](/engine/6000.7/script-reference/unity/smartstrings/core/extensions/isource.md) extensions. |