Woocommerce – Amazon pay – shipping charges

Pay with Amazon does not pick up the shipping charges on the cart total. What has to be added to the below code so that it does

/** create xml of the basic product **/
/** create xml of the basic product **/

            $Item = $doc->createElement('Item');
            $Item = $Items->appendChild($Item);
            
            $sku = $this->replace_char($sku);
            $sku = htmlentities($sku,ENT_QUOTES,'UTF-8');

            $SKU = $doc->createElement('SKU',$sku);
            $SKU = $Item->appendChild($SKU);

            $MerchantId = $doc->createElement('MerchantId',$merchantID);
            $MerchantId = $Item->appendChild($MerchantId);

            $title =  $this->replace_char($title);
            $title = htmlentities($title,ENT_QUOTES,'UTF-8');
            
            $Title = $doc->createElement('Title',$title);
            $Title = $Item->appendChild($Title);

            $description =  $this->replace_char($description);
            $description = htmlentities($description,ENT_QUOTES,'UTF-8');

            $Description = $doc->createElement('Description',$title);
            $Description = $Item->appendChild($Description);

            $Price = $doc->createElement('Price');
            $Price = $Item->appendChild($Price);

            $Amount = $doc->createElement('Amount',$amazon_product_price);
            $Amount = $Price->appendChild($Amount);

            $CurrencyCode = $doc->createElement('CurrencyCode',$currency);
            $CurrencyCode = $Price->appendChild($CurrencyCode);

            $Quantity = $doc->createElement('Quantity',$quantity);
            $Quantity = $Item->appendChild($Quantity);

            if($weight)
            {
                $Weight = $doc->createElement('Weight');
                $Weight = $Item->appendChild($Weight);

                $Amount_wt = $doc->createElement('Amount',$weight);
                $Amount_wt = $Weight->appendChild($Amount_wt);

                $Wt_unit = $doc->createElement('Unit',$weight_unit);
                $Wt_unit = $Weight->appendChild($Wt_unit);
            }
            
            $this->easyshipattributes($doc,$Item);
            
            $ItemCustomData = $doc->createElement('ItemCustomData');
            $ItemCustomData = $Item->appendChild($ItemCustomData);

            $Product_id = $doc->createElement('Product_id',$item['product_id']);
            $Product_id = $ItemCustomData->appendChild($Product_id);

            $Variation_id = $doc->createElement('Variation_id',$variation_id);
            $Variation_id = $ItemCustomData->appendChild($Variation_id);

            foreach ($variations as $key => $variant) 
            {
                $Item_attribute = $doc->createElement('Item_attribute');
                $Item_attribute = $ItemCustomData->appendChild($Item_attribute);
                
                $key = substr($key,0,40);
        
                $key = $this->replace_char($key);
                $key = htmlentities($key,ENT_QUOTES,'UTF-8');

                $Attribute_name = $doc->createElement('Attribute_name',$key);
                $Attribute_name = $Item_attribute->appendChild($Attribute_name);

                $variant = substr($variant,0,40);
                $variant = $this->replace_char($variant);
                $variant = htmlentities($variant,ENT_QUOTES,'UTF-8');

                $Attribute_val = $doc->createElement('Attribute_val',$variant);
                $Attribute_val = $Item_attribute->appendChild($Attribute_val);            
            }
            
            
          
        }
        
        foreach ($all_fees as $fee)
        {
            $fees_Amout = $fee->amount+$fee->tax;
            if($fees_Amout > 0)
            {
                $Item = $doc->createElement('Item');
                $Item = $Items->appendChild($Item);

                $fee_id = substr($fee->id,0,40);
                $fee_id = $this->replace_char($fee_id);
                $fee_id = htmlentities($fee_id,ENT_QUOTES,'UTF-8');

                $SKU = $doc->createElement('SKU',$fee_id);
                $SKU = $Item->appendChild($SKU);

                $MerchantId = $doc->createElement('MerchantId',$merchantID);
                $MerchantId = $Item->appendChild($MerchantId);
          
                $fee_name = substr($fee->name,0,80);
          
                if(!$fee_name)
                  $fee_name = 'Order Fees';
                  
                $fee_name = $this->replace_char($fee_name);
                $fee_name = htmlentities($fee_name,ENT_QUOTES,'UTF-8');
          
                $Title = $doc->createElement('Title',$fee_name);
                $Title = $Item->appendChild($Title);

                $Description = $doc->createElement('Description','extra fees');
                $Description = $Item->appendChild($Description);

                $Price = $doc->createElement('Price');
                $Price = $Item->appendChild($Price);

                $Amount = $doc->createElement('Amount',$fees_Amout);
                $Amount = $Price->appendChild($Amount);

                $CurrencyCode = $doc->createElement('CurrencyCode',$currency);
                $CurrencyCode = $Price->appendChild($CurrencyCode);

                $Quantity = $doc->createElement('Quantity',1);
                $Quantity = $Item->appendChild($Quantity);
            }
            
        }
		$ReturnUrl = $doc->createElement('ReturnUrl',$return_url);
        $ReturnUrl = $root->appendChild($ReturnUrl);
        return $doc->saveXML();
    }
    
    public function replace_char($string)
    {
          $string = str_replace('&','',$string);
          $string = str_replace('<','',$string);
          $string = str_replace('>','',$string);
          $string = str_replace('"','',$string);
          $string = str_replace("'","",$string);
          return $string;
    }
    
    
    public function easyshipattributes($doc,$Item) {
		  $pwacheckkout = new Pwacheckout();
		  if($pwacheckkout->get_option('pwa_enable_easyship')) {
			  
			 $pwa_easyship_category =  $pwacheckkout->get_option('pwa_easyship_category');
			 $pwa_easyship_hazmat   =  $pwacheckkout->get_option('pwa_easyship_hazmat');
			  
			 $Category = $doc->createElement("Category");
			 $Category->appendChild($doc->createCDATASection(html_entity_decode($pwa_easyship_category)));
             $Item->appendChild($doc->importNode($Category)); 
             
             $Hazmat = $doc->createElement('Hazmat',$pwa_easyship_hazmat);
			 $Hazmat = $Item->appendChild($Hazmat);
		  } 
		  
			 $pwa_easyship_min_days =  $pwacheckkout->get_option('pwa_easyship_min_days');
			 $pwa_easyship_max_days =  $pwacheckkout->get_option('pwa_easyship_max_days');
			 
			 if($pwa_easyship_min_days > 0 && $pwa_easyship_max_days > 0) {
				$HandlingTime = $doc->createElement('HandlingTime');
				$HandlingTime = $Item->appendChild($HandlingTime);
				
				$MinDays = $doc->createElement('MinDays',$pwa_easyship_min_days);
				$MinDays = $HandlingTime->appendChild($MinDays);

				$MaxDays = $doc->createElement('MaxDays',$pwa_easyship_max_days);
				$MaxDays = $HandlingTime->appendChild($MaxDays);
			 }
	}
    

}