User ID to act as when using API Key authentication (required with API Key)
email, firstname, lastname, fullname, phone, other email, phone, text-single, text-multi, number, select, checkbox-single, checkbox-multi, radio, slide, url, file, date-of-birth, yes-no, rating, signature, date, time, image, heading, separator, page-break, contact, bank-details, license-plate, info-text, info-image, info-video, currency, location, pdf-template, file-download Controls which sub-inputs are shown in a contact composite field
Controls optional sub-inputs for SEPA/bank details (IBAN always shown)