WooCommerce: Add extra fee when product total exceed certain amount

WooCommerce: Add extra fee when product total exceed certain amount

add_action( 'woocommerce_cart_calculate_fees', 'loc_woo_charge_additional_fee_for_nr_of_products' );
function loc_woo_charge_additional_fee_for_nr_of_products(){ 
    
    global $woocommerce;
    $cart_content = $woocommerce->cart->get_cart();    
    $qty = 0;

    foreach($cart_content as $key => $value){
        $qty += $value['quantity']; 
    }

    $extraCostQtyLimit = 500;
    if($qty > $extraCostQtyLimit)
    {
        $additionalCost = 100;
        $woocommerce->cart->add_fee('YOUR TEXT HERE '.$extraCostQtyLimit.' YOUR TEXT HERE', $additionalCost);
    }
}