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<a href="/api-reference/core/setdefaultpreference">setDefaultPreference</a></p><h2>setDefaultPreference() function</h2><blockquote><p>This API is provided as a preview for developers and may change based on
feedback that we receive. Do not use this API in a production environment.</p></blockquote><p>Sets a preference</p><b>Signature:</b><pre><code class="language-typescript">export declare function setDefaultPreference(key: string, val: unknown): void
</code></pre><h2>Parameters</h2><table><thead><tr><th>Parameter</th><th>Type</th><th>Description</th></tr></thead><tbody><tr><td>key</td><td>string</td><td>The preference</td></tr><tr><td>val</td><td>unknown</td><td>The value</td></tr></tbody></table><b>Returns:</b><p>void</p>

Parameter	Type	Description
key	string	The preference
val	unknown	The value