# sourceFileName

> Name of a source file where the method is defined.

## Definition

* **Type:** Field
* **Namespace:** [UnityEditor.Profiling](/engine/6000.5/script-reference/unityeditor/profiling.md)
* **Assembly:** UnityEditor.CoreModule

```csharp
public string sourceFileName
```

### Remarks

Is *null* if source file information is unavailable.