How to create a template for a doctype and append those data in another doctype

[NCP]

Please check the video.

If you want to get data from a template or another doctype then check it.

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]

And if you want to populate data from one to another doctype then check it.

How open new doc with all data in object

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