[DobbysGamertag]

pawn Код:

if (strcmp(cmdtext, "/sit", true) == 0)
{
    ApplyAnimation(playerid,"PED","SEAT_IDLE",4,0,0,0, 1,0,1);
    return 1;
}

Not too familiar with converting from ZCMD to STRCMP im afraid that works fine for me though hope it helped