When completing an import from the Pebble Tali MIS (via the API) the following prioritisation rules are applied for each person type uploaded:
Pupil
- Forename = LegalForename, Forename
- Surname = LegalSurname, Surname
- KnownAsFirstName = Forename
- KnownAsLastName = Surname
Staff
- Forename = LegalForename, Forename
- Surname = LegalSurname, Surname
- KnownAs = DisplayName
i.e.
Name in ParentPay after import = [Use this field if populated], [Use this field as the fallback option]