---
title: "sourceFiles(withSuffix:)"
framework: swift-package-manager
role: symbol
role_heading: Instance Method
path: "swift-package-manager/documentation/packageplugin/sourcemoduletarget/sourcefiles(withsuffix:)"
---

# sourceFiles(withSuffix:)

A possibly empty list of source files in the target that have the given filename suffix.

## Declaration

```swift
func sourceFiles(withSuffix suffix: String) -> FileList
```

## See Also

### Inspecting a Source Module Target

- [moduleName](swift-package-manager/documentation/packageplugin/sourcemoduletarget/modulename.md)
- [kind](swift-package-manager/documentation/packageplugin/sourcemoduletarget/kind.md)
- [linkedLibraries](swift-package-manager/documentation/packageplugin/sourcemoduletarget/linkedlibraries.md)
- [linkedFrameworks](swift-package-manager/documentation/packageplugin/sourcemoduletarget/linkedframeworks.md)
- [pluginGeneratedSources](swift-package-manager/documentation/packageplugin/sourcemoduletarget/plugingeneratedsources.md)
- [pluginGeneratedResources](swift-package-manager/documentation/packageplugin/sourcemoduletarget/plugingeneratedresources.md)
- [sourceFiles](swift-package-manager/documentation/packageplugin/sourcemoduletarget/sourcefiles.md)