Want to add Link field in Non Conformance form showing customer full name from customer DocType

[NCP]

First, create a customer field and save the form. Then, create another field for the customer’s full name and ensure it is checked in the fetch from so that the customer will appear as an option.

Please check the video.

Fetch Child table form one doctype to other doctype

I have given the reference of the video here, maybe it will help someone. [Fetch Data From One DocType To Another | Frappe | ERPNext]