public OnPlayerDeath(playerid, killerid, reason)
{
    if( killerid != INVALID_PLAYER_ID )
    {
        new
            String[128],
            Names[ 2 ][ MAX_PLAYER_NAME ];
            
        GetPlayerName( playerid, Names[ 1 ], MAX_PLAYER_NAME );
        GetPlayerName( killerid, Names[ 0 ], MAX_PLAYER_NAME );
            
        format( String, sizeof( String ), "Hello %s, you have killed %s.", Names[ 0 ], Names[ 1 ] );
        SendClientMessage( killerid, colour, String );
    }

    return 1;
}