---
url: https://lit-ui-router.dev/reference/lit-ui-router/controllers.md
---

# Controllers

Reactive controllers binding hosts to router transitions.

## API

* [`SrefStatusController`](./SrefStatusController)
* [`SrefStatusControllerOptions`](./SrefStatusControllerOptions)
* [`TransitionCallback`](./TransitionCallback)
* [`TransitionCallbackReason`](./TransitionCallbackReason)
* [`TransitionController`](./TransitionController)
* [`TransitionControllerOptions`](./TransitionControllerOptions)
* [`TransitionEventType`](./TransitionEventType)