# Initialize(SmartFormatter)

> Initializes an ISource or IFormatter. The method gets called when adding an extension to a SmartFormatter instance.

## Definition

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

```csharp
void Initialize(SmartFormatter smartFormatter)
```

### Parameters

**** (\[SmartFormatter]\(/engine/6000.7/script-reference/unity/smartstrings/smartformatter)): Formatter that the extension is being added to.