---
title: Lifecycle
lastModified: "2026-10-07T18:56:41+01:00"
lastAuthor: Kaylee
---
```ts title="src/consent-ui.ts"
const unsubscribe = kernel.subscribe(render);
const stopErrors = kernel.events.on('command:error', ({ command }) => {
	if (command === 'init') {
		status.textContent =
			'Consent could not load. Check the backend endpoint and allowed origin.';
	}
});
render(kernel.getSnapshot());
// Reads stored choices, resolves the policy and starts script loading.
runtime.start();

window.addEventListener('pagehide', (event) => {
	// Back and Forward restore a cached page with the same runtime.
	if (event.persisted) {
		return;
	}
	unsubscribe();
	stopErrors();
	runtime.dispose();
});
```