# SourceFileLine

Property in [Declaration](https://docs.yarnspinner.dev/2.3/api/csharp/yarn.compiler/yarn.compiler.declaration)

## Summary

Gets the line number at which this Declaration was found in the source file.

```csharp
public int SourceFileLine { get };
```

## Remarks

If this [Declaration](https://docs.yarnspinner.dev/2.3/api/csharp/yarn.compiler/yarn.compiler.declaration) was not found in a Yarn source file, this will be -1.