Filter query loop based on post's metabox custom field

Hi,

I have a post-type “formation” (training in english), with metabox custom fields attached to them.

In Bricks, I activated the query filters :

But I can’t find the field type “metabox” in the filter

The docs says I should see “provider” with “metabox” Query Sort, Filter & Live Search – Bricks Academy
but I don’t.

Here is a post “formation”:

With the metabox custom fields :

Have you an idea ?
I am using Bricks 2.2 Beta

Best,

Based on the Bricks Academy link you provided, as far as I understand it, you also have to enable/activate the switch below the Enable query sort/filter/live search for the Provider option.