Code
//в начало
new playernames[MAX_PLAYERS][64];
//в public OnPlayerCommandText(playerid, cmdtext[])
if(strcmp(cmdtext,"/name",true,5) == 0)
{
if(strlen(cmdtext) < 7)return SendClientMessage(playerid,0x808080AA,"SERVER: Используйте \"/name имя\"");
strmid(playernames[playerid],cmdtext,7,strlen(cmdtext),sizeof(playernames[]));
return SendClientMessage(playerid,0x808080AA,"SERVER: Имя занесено в переменную");;
}