List employment types
Returns every employment type id/name pair valid for the employmentTypeId field on
ApplicantCreateRequest/ApplicantUpdateRequest.
A value returned here is always accepted as employmentTypeId on those requests.
Authentication
AuthorizationBearer
BrightMove OAuth2 client_credentials - use the client_id/client_secret from User > API Keys (or an admin-managed client).
Response
Employment types returned