---
title: didFinishLoading()
framework: fskit
role: symbol
role_heading: Instance Method
path: fskit/fsunaryfilesystemoperations/didfinishloading()
---

# didFinishLoading()

Notifies you that the system finished loading your file system extension.

## Declaration

```swift
optional func didFinishLoading()
```

## Discussion

Discussion The system performs this callback after the main run loop starts and before receiving the first message from the FSKit daemon. Implement this method if you want to perform any setup prior to receiving FSKit callbacks.

## See Also

### Loading and unloading resources

- [loadResource(resource:options:replyHandler:)](fskit/fsunaryfilesystemoperations/loadresource(resource:options:replyhandler:).md)
- [unloadResource(resource:options:replyHandler:)](fskit/fsunaryfilesystemoperations/unloadresource(resource:options:replyhandler:).md)