Hi Fabiana,

check your Form Builder addon settings, probably in rush you forgot to fill that.

BTW

Have you filled also "Email Body" field with all your custom field names? If not do it. Find guide on youtube.

ok see

RECIPIENT (!) It means who should get message, I guess it's You /Site owner, right? Hello.

add my gmail mail gives as sent but I do not get the mail

have you checked in SPAM folder as well?