# Main Body Parameters | Parameter | Description | | --- | --- | | `data`<br><br>array<object> | **Required.** <br>An array of server event objects. See [Server Event Parameters](https://developers.facebook.com/documentation/ads-commerce/conversions-api/parameters/server-event) for more information. | | `test_event_code`<br><br>string | **Optional.** <br>Code used to verify that your server events are received correctly by Facebook. Use this code to test your server events in the Test Events feature in Events Manager. See [Test Events Tool](https://developers.facebook.com/documentation/ads-commerce/conversions-api/using-the-api#testEvents) for an example. |