как подсчитать нанесенный урон

#include <amxmodx>
#include <csx>

#define PLUGIN "client_damage"
#define VERSION "1.0"
#define AUTHOR "Empower"

#pragma tabsize 0

new counter[33] = 0
  
public plugin_init() {
    register_plugin(PLUGIN, VERSION, AUTHOR)
    register_clcmd("say /me","me") //в чат
    register_clcmd("say_team /me","me") //в тим чат
    register_clcmd("me","me") //в консоль
    register_event("ResetHUD","startround","be")
}

public startround(){
    counter = 0
}

public client_damage(attacker,damage){
    counter[attacker] = counter[attacker] + damage    
}

public me(attacker){
        client_print(attacker, print_chat, "Вы нанесли %s hp урона", counter[attacker])
}

    register_event("ResetHUD","startround","be")
}

public startround(attacker){
    counter[attacker] = 0
}