---
title: "Campaign context object"
slug: "campaign-context-object"
abstract: "Describes the campaign context object in a Discover Search and Recommendation request."
---
# Campaign context object

The following table describes the keys in the `campaign` context object:

| Key | Type | Description |
| --- | --- | --- |
| `utm_source` | string | The paid campaign source.<br><br>You can send information in the `campaign` context object or as part of the request URL. |
| `utm_campaign` | string | The paid campaign identifier.<br><br>You can send information in the `campaign` context object or as part of the request URL. |