This can be done only once per game session. The codes are case-sensitive:

Create_unit "Arretium" "roman arcani" 5 units max 8 offense max 8 defense max 8 experience points max:

create_unit "Arretium" "roman arcani" 5 8 8 8
create_unit "Kotais" "greek silver shield pikemen" 5 8 8 8 8
create_unit "Kotais" "east hoplite brazen shield" 5 8 8 8 8

-Example of earlier incorrect cheat for Oliphant-

Create_unit "Arretium" cheat oliphants" 5 8 8 8 8 Yubtseb Elephants (or replace it with merc elephants)

-Example of city with two names-

create_unit "Campus_Iazyges" "roman heavy onager" 5 8 8 8 8
create_unit "Campus_Alanni" "roman praetorian cohort urban i"

"Urban Cohort"