class="function">unmount</span><span class="punctuation">(</span><span class="punctuation">)</span><span class="punctuation">;</span>
</code></pre><p>This example creates a <a href="/api/the-essentials/persisting-stores/persister/"><code>Persister</code></a> at the top level of a React application. The App component is rendered twice, each with a different top-level prop. The <code>useCreatePersister</code> hook takes the <code>sessionKey</code> prop as a dependency, and so the <a href="/api/the-essentials/