X_APPROVER_TYPE is a fixed lexicon with the following values:

Saved
Value
Displayed Value
01 Department ManagerAn employee who is identified on the department (IDDP) as the `Dept. Supervisor' or Manager- Person Code.
02 Position ManagerAn employee who is identified on the position (IDPS) as the `Supervisor by' or Classification-Manager.
03 Assignment ManagerAn employee who is identified on the assignment (IEAS) the employee as Service-Supervised By.
04 First Manager
05 User with MatchA specific employee who is identified under Last, First.
06 ManagerCurrently not supported.
07 Specified PersonA specific employee who is identified in the IEID form.
08 Spec List Of PeopleThis identifies multiple people who qualify to be approvers. Note: only People Lists that are defined through EP can only used in this selection. EP People Lists are cased on Where Clauses.
09 Last Approver's Manager
10 All Managers