I sent a message to my domain name provider (ionos) bc i cant add my domain name, he told me that i cant because the host name given by webstudio start with __ any solution?

I followed this tutorial and my webhook doesn't work, I took my hook on airtable and I put it in "action" but it doesn't work. any ideas for me?https://docs.webstudio.is/university/integrations/airtable-1

Hey guys i've tried to do dynamic filtering and i dont understand what wrong with my expression can you help me ? https://api.airtable.com/v0/appHqIZKwuxJG4YrH/Table%201${$ws$dataSource$A5e7Gbhkd2lrMhvrPJSeC.search.name ? ?filterbyFormula=Search("${$ws$dataSource$A5e7Gbhkd2lrMhvrPJSeC.search.name}", {name}) : ''}