Help with Simple Script

[] spawn
{
    hint "Press Shift+F1 to spawn in 100k of cash";
    money773_keyPressed =
    {
        private ["_key","_shift","_ctrl","_alt"];
        if (dialog) exitWith {false};
 
        _key = _this select 1;
        _shift = _this select 2;
        _ctrl = _this select 3;
        _alt = _this select 4;
 
        if (not (_key == 59 && _shift && !_ctrl && !_alt)) exitWith {false};
 
        closeDialog 0;
        cash_in_hand = cash_in_hand + 1000000
        hint "100k Spawned"
        true
    };
}