Several fields have predefined values. Here you can find the possible values with explanation:

salutation / employee_salutation

country / bank_country

type (fb_person_address / fb_person_email_address / fb_person_website / fb_person_instant_messenger)

type (fb_person_phone)

website_type

messenger

fb_type_id

fb_source_id

fb_project_id

fb_item_id

You can find the IDs of your items in your form settings. Move your mouse over the info-icon at your items.

currency

receipt_status

fb_donation status

device_type

interval

mandate_status

transaction_type / mandate_transaction_type

origin / mandate_origin

sent_by (fb_sepa_mandate)

bank_fields

doi_status