# Facebook SDK Standard Events

In this guide we have collected a list of Facebook Events that contains the value and currency. You can use any event from the list to send your Qonversion subscription data.&#x20;

This helps you measure your ROAS (Return On Ad Spend) and [optimize for value](https://www.facebook.com/business/help/296463804090290?locale=en_US).

To know which Qonversion event contains value please go [here](https://docs.qonversion.io/overview/tracked-events).

| Facebook Standard Event name    | Value |
| ------------------------------- | ----- |
| StartTrial                      | Yes   |
| Subscribe                       | Yes   |
| fb\_mobile\_purchase            | Yes   |
| fb\_mobile\_add\_to\_cart       | Yes   |
| fb\_mobile\_add\_to\_wishlist   | Yes   |
| fb\_mobile\_initiated\_checkout | Yes   |

{% hint style="info" %}
To learn more about how to configure Facebook Ads integration please use [this guide](https://docs.qonversion.io/marketing-integrations/facebook-ads-integration).
{% endhint %}
