voluptasmollitia/docs-exp/analytics.controlparams.md

Monorepo for the Firebase JavaScript SDK

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

## ControlParams interface

Standard gtag.js control parameters. For more information, see [the gtag.js documentation on parameters](https://developers.google.com/gtagjs/reference/parameter)<!-- -->.

<b>Signature:</b>

```typescript
export interface ControlParams 
```

## Properties

|  Property | Type | Description |
|  --- | --- | --- |
|  [event\_callback?](./analytics.controlparams.event_callback.md) | () =&gt; void | <i>(Optional)</i> |
|  [event\_timeout?](./analytics.controlparams.event_timeout.md) | number | <i>(Optional)</i> |
|  [groups?](./analytics.controlparams.groups.md) | string \| string\[\] | <i>(Optional)</i> |
|  [send\_to?](./analytics.controlparams.send_to.md) | string \| string\[\] | <i>(Optional)</i> |