[bajskorv123]

If your using strtok:

pawn Код:

if(!strlen(tmp)) return SendClientMessage(playerid, color, "Error: Blahblah");

If your using dcmd:

pawn Код:

if(!strlen(params)) return SendClientMessage(playerid, color, "Error: Blahblah");

If your using zcmd:

pawn Код:

if(isnull(params)) return SendClientMessage(playerid, color, "Error: Blahblah");