How to get carrier_identifier in orders API

Hi Team,

I have an shopify app

I have created a my carrier service by API bellow :

https://shopify.dev/api/admin-rest/2021-10/resources/carrierservice#top

When end user checkout product and using my carrrier .
Then i checked order that end user created by API :
https://shopify.dev/api/admin-rest/2021-10/resources/order#[get]/admin/api/2021-10/orders.json?status=any

i see shipping_lines related to my carrier

But I don’t known, how to get “carrier identifier” by API via my carrier service (i checked repose my carrier by api but it not contain this field )

Thanks!

Hi Sir, any new news on this matter? I have the same issue.