if(!isDefined(self.money)) //or if it is defined this doesnt do anything
self.money = 0; //or whatever else you want

attacker.money += 50; //gives 50 money to the player who killed someone

		if(self.money>799) //checks if your money is greater then 799
		{
			if(isAlive(self)) //checks if the person is alive and not dead
			{
						self thread buythethingthatyouwant(); //the thing that you bought
			}
                        else
                        self iprintlnbold("You are dead");
                }
		else 
		self iprintlnbold("Not enough Money!");

Well, listen I would have liked to give me a link if you have such mod!

Well, listen I would like you to read the FAQ!