#include <fstream>

bool Is_Mod(const char *Name)
{
     fstream file("mods.txt", ios::in);
     string tmp;
     while(file >> tmp)
     { 
         if(strcmp(Name, tmp.c_str()) == 0)
          {
               return 1;
         }
     }
     return 0;
}

class exampleChatCommand : public ChatCommandClass {
	void Triggered(int ID,const TokenClass &Text,int ChatType) {
         if(Is_Mod(Get_Player_Name_By_ID(ID))
         {
             Commands->(do something)
         }
         else
         {
                 //this player isn't a mod
         }

};

<nick1>
<nick2>
<nick3>