This feature can be accessible before v2.9. You could also use the Facebook Pixel instead.
After you create a pixel you should get the code that you're going to use in your website by making an HTTP GET call to
valueparameter in the JS code returned in the response from Facebook is set to the standard denomination format for that currency. For instance, for USD this field is defined in
cents. The currency defaults to the currency of your ad account, or you can specify your own currency by following the instructions here.
pixelfor each type of offsite event that you want to track. For example, if you want to track
CHECKOUTfollow the procedure above for each one of these events.
The value, in minimum currency unit, of the transaction that the pixel is tracking. Defaults to the currency of the ad account
ID of the conversion pixel
ID and name of the ad account that first created the pixel
Last time the pixel was fired
Name of the conversion pixel
Create a pixel
curl \ -F "name=NAME" \ -F "tag=CHECKOUT" \ -F "access_token=___" \ "https://graph.facebook.com/<API_VERSION>/act_<AD_ACCOUNT_ID>/offsitepixels"
You may edit the metadata of a pixel one field at a time.
Modify the value field of the pixel code to $1.50 for a USD account.
curl \ -F "value=150" \ -F "access_token=_____" \ "https://graph.facebook.com/<API_VERSION>/<PIXEL_ID>"