[FAQU]

There you go

PHP Code:

#include <sourcemod>
#include <sdktools>

#pragma semicolon 1
#pragma newdecls required

public void OnPluginStart()
{
    HookEvent("player_death", Event_PlayerDeath);
}

public void Event_PlayerDeath(Event event, const char[] name, bool dontBroadcast)
{
    int attacker = GetClientOfUserId(event.GetInt("attacker"));
    int victim = GetClientOfUserId(event.GetInt("userid"));
    
    
    if (attacker == victim || attacker == 0)
    {
        return;
    }
    
    if (IsPlayerAlive(attacker)) // most likely not needed
    {
        SetEntityHealth(attacker, 100);
        GivePlayerItem(attacker, "item_assaultsuit");
    }
}