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#   Custom Javascript application integration

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12 years 9 months ago [\#138680](#138680) by [Visovsiouk](/forum/user/30548-visovsiouk "View Visovsiouk's Profile")  *[Custom Javascript application integration](/forum/29-payment-methods/864783-custom-javascript-application-integration#138680 "-- HikaShop version -- : Starter 2.2.3 -- Joomla version -- : 3.1 -- PHP version -- : 5.x.x  I have created a custom Javascript application for my website. A customer can choose different products (not affiliated with HikaShop), the application calculates an overall price and shows it as a string. My question is: Can I make HikaShop read that string as a product price and then pass it to PayPal for processing?")* was created by *[Visovsiouk](/forum/user/30548-visovsiouk "View Visovsiouk's Profile")*

-- HikaShop version -- : Starter 2.2.3
-- Joomla version -- : 3.1
-- PHP version -- : 5.x.x

I have created a custom Javascript application for my website. A customer can choose different products (not affiliated with HikaShop), the application calculates an overall price and shows it as a string. My question is: Can I make HikaShop read that string as a product price and then pass it to PayPal for processing?

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12 years 9 months ago [\#138683](#138683) by [nicolas](/forum/user/63-nicolas "View nicolas's Profile")  Replied by *[nicolas](/forum/user/63-nicolas "View nicolas's Profile")* on topic *[Custom Javascript application integration](/forum/29-payment-methods/864783-custom-javascript-application-integration#138683 "-- HikaShop version -- : Starter 2.2.3 -- Joomla version -- : 3.1 -- PHP version -- : 5.x.x  I have created a custom Javascript application for my website. A customer can choose different products (not affiliated with HikaShop), the application calculates an overall price and shows it as a string. My question is: Can I make HikaShop read that string as a product price and then pass it to PayPal for processing?")*

Hi,

You can do that by calling the add to cart URL of a product and having a custom item field with the calculated price in it and then having the donation plugin use that price for the product:
[ www.hikashop.com/forum/2-general-talk-ab...-product-fields.html](http://www.hikashop.com/forum/2-general-talk-about-hikashop/16216-add-to-cart-link-and-custom-product-fields.html)
[ demo.hikashop.com/index.php?option=com\_h...ct&task=show&cid=214](http://demo.hikashop.com/index.php?option=com_hikashop&ctrl=product&task=show&cid=214)

The following user(s) said Thank You: [Visovsiouk](/forum/user/30548-visovsiouk "View Visovsiouk's Profile")

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