how to inject a dll

i have 2 combat arms public hacks and i have perx and faith injector, i added the files in faith and i am not sure what to write for the process name for combat arms, i heard it was gunz.exe or engine.exe but i am not sure. could some1 plz help me. Thx

[b] Engine.exe

Adzactly like that [/b[

thx so much