Use Alphanumeric User Fields (HR04.4) to define and maintain user fields
that have alphanumeric values. User fields are fields you define, that let
you track information beyond system-defined fields.
You can define up to a total of 99 user fields. This includes alphanumeric,
numeric and date user fields that are defined as valid for employees, applicants, or both.
Defined user fields display in alphanumeric order by field name in all
forms where user fields display. If you change the field name, the display
order also changes.