How to add Custom properties to cart permalink

[Ab_Etemadi]

I hope this message finds you well. I have been utilizing the cart permalink format to add multiple product variants to the cart:https://my-shop-name.myshopify.com/cart/variant_id:quantity,variant_id:quantity

Now, I have a custom property named projectId = ------- that I would like to include in this permalink. Could you please guide me on how to pass this custom attribute in the permalink? If Shopify supports this functionality, that would be great. Otherwise, I'd appreciate any alternative solutions or options available to achieve this.

Thank you for your assistance.

[gr_trading]

Hi @Ab_Etemadi ,

you can create your custom function which will work similar to cart paramlink using cart ajax feature.

You need to pass variant and qty as param url and read those queries and use cart ajax code to add item into the cart along with required attribute details.

https://shopify.dev/docs/api/ajax/reference/cart