I just solved the issue. I need to put that in lines array

Hi, I'm trying to create custom cart_attribute, but I'm not able to find that cart_attribute that I POST with graphQL in shopify backend. Am i missing anything? Here's what I did<fetcher.Form action="/cart" method="post"> <input type="hidden" n...

Excuse me.. I'm also using custom cart_attribute, but I'm not able to find that cart_attribute that I POST with graphQL in shopify backend. Am i missing something? 

Facing the same issue on Ecpay.