how create sort by discount in collection page

[vinayak21]

how create sort by discount in collection page.
which code define to set in sort by discount .

[Zworthkey]

@vinayak21 
Welcome to Shopify Community.

you have to Add this filter type using code or app, if you are already a developer then you can customized it, according to your need,
thank you

[HarisMemon]

how to customize it. I've added the option-value. Now, what's the next step