voluptasmollitia/docs-exp/functions.functions.customdomain.md

Monorepo for the Firebase JavaScript SDK

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [@firebase/functions](./functions.md) &gt; [Functions](./functions.functions.md) &gt; [customDomain](./functions.functions.customdomain.md)

## Functions.customDomain property

A custom domain hosting the callable Cloud Functions. ex: https://mydomain.com

<b>Signature:</b>

```typescript
customDomain: string | null;
```