 checkpoint.</p><p>If that function has any other dependencies, the changing of which should also cause the callback to be recreated, you can provide them in an array in the optional second parameter, just as you would for any React hook with dependencies.</p><p>For convenience, you can optionally provide a <code>then</code> function (with its own set of dependencies) which will be called just after the checkpoint has been set.</p><p>The <a href="/api/checkpoints/interfaces/checkpoints/checkpoints/"><code>C