voluptasmollitia/docs-exp/analytics.settings.md

Monorepo for the Firebase JavaScript SDK

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[Home](./index.md) &gt; [@firebase/analytics](./analytics.md) &gt; [settings](./analytics.settings.md)

## settings() function

Configures Firebase Analytics to use custom `gtag` or `dataLayer` names. Intended to be used if `gtag.js` script has been installed on this page independently of Firebase Analytics, and is using non-default names for either the `gtag` function or for `dataLayer`<!-- -->. Must be called before calling `getAnalytics()` or it won't have any effect.

<b>Signature:</b>

```typescript
export declare function settings(options: SettingsOptions): void;
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  options | [SettingsOptions](./analytics.settingsoptions.md) | Custom gtag and dataLayer names. |

<b>Returns:</b>

void