quodolores/docs-exp/auth.phonesinglefactorinfooptions.phonenumber.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/auth](./auth.md) &gt; [PhoneSingleFactorInfoOptions](./auth.phonesinglefactorinfooptions.md) &gt; [phoneNumber](./auth.phonesinglefactorinfooptions.phonenumber.md)

## PhoneSingleFactorInfoOptions.phoneNumber property

Phone number to send a verification code to.

<b>Signature:</b>

```typescript
phoneNumber: string;
```