[Evocator]

Its

Код:

OnPlayerCommandPerformed(playerid, cmdtext[], success)

For your code, replace

pawn Код:

if(!response) return OnPlayerCommandPerformed(playerid, "/obj");

with

pawn Код:

if(!response) return cmd_obj(playerid, "");

read zcmd's include thread or search for tutos, they are many.
https://sampforum.blast.hk/showthread.php?tid=91354