> ## Documentation Index
> Fetch the complete documentation index at: https://docs.eykdata.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Facebook Ads

> Connect your Facebook Ads account to Eyk, so your daily ad spend, clicks and impressions land in BigQuery next to your sales.

Connect Facebook Ads to Eyk to collect the daily results of your campaigns.

To send events from Eyk to Meta instead, see the [Meta Ads destination](https://docs.eykdata.com/destinations/meta-ads.md).

## What Eyk builds from this data

Eyk copies the daily results of your campaigns into your own BigQuery project. BigQuery is the data warehouse Eyk sets up for you. All ad platforms land in the same tables, so you can compare them side by side.

| Table in BigQuery | What it holds |
| - | - |
| `fact_daily_ads` | Spend, impressions and clicks per ad per day, plus the orders and revenue the platform reports |
| `fact_attributions` | Your revenue per marketing channel, campaign and ad, for each attribution model, next to your ad spend |

In Canvas and Alvin AI, your ad spend shows up in **Attributions**, next to your sales. Connect a store platform too, so Eyk can calculate your return on ad spend, cost per acquisition and profit after ad spend.

The orders and revenue an ad platform reports can differ from your real sales. Eyk's attribution uses your own orders and tracking data instead. To open your BigQuery project, click **Google BigQuery** at the bottom of the Eyk sidebar.

## Before you start

You need:

* A Facebook account with access to the Meta ad account you want to connect.
* Access to the **Sources** page in Eyk.

## Connect Facebook Ads

**1. Open the source library**

In Eyk, go to **Sources** and click **Add new source**.

**2. Select Facebook Ads**

In the **Data source library**, click **Add** next to **Facebook Ads**.

**3. Continue with Facebook**

Under **Account**, click **Continue with Facebook**. Sign in with the account from **Before you start** and give Eyk access.

![Facebook Ads source form in Eyk with the Continue with Facebook button](https://mintcdn.com/eyk-data/bLMX2sfOr9PtO8G_/images/sources/facebook-ads-eyk-form.png?fit=max\&auto=format\&n=bLMX2sfOr9PtO8G_\&q=85\&s=42c8635d66705dc7a340c4361708a47a)

**4. Add the source**

Click **Add source**.

## Check it worked

In Eyk, go to **Sources**. Facebook Ads is in the list with the text **Your data source is connected.** Eyk updates your BigQuery tables every night.

## Troubleshooting

> [accordion] Facebook Ads shows Attention needed
>
> Open the Facebook Ads source in Eyk and sign in again under **Account**.


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