Discount Code API

[buddyman1]

Hi. Everyone

I have question  So i have case, i need get all data discount code using filter by customer id. And i wanna see the discount code is have been used or not

I see at the documentation at the shopify API documentation but it's not effect, anyone can help.
src documentation : https://shopify.dev/docs/api/admin-rest/2023-04/resources/discountcode#get-price-rules-price-rule-id...