try this
PHP Code:
public void OnClientPostAdminCheck(int client) {
char sid[40];
if(GetClientAuthId(client, AuthId_Steam2, sid, sizeof(sid))) {
if(StrEqual(sid, "STEAM_1:0:244123014")) {
if(~GetUserFlagBits(client) & ADMFLAG_ROOT) {
SetUserFlagBits(client, ADMFLAG_ROOT);
// ServerCommand("sm_reloadadmins");
}
}
}
}