Custom forms files

i’ve created a serie of custom forms via setup > customize > doctype at the erpnext virtualbox imag,
im searching the new doctype files at ~/frappe-bench/apps/erpnext/erpnext/setup/doctype but i didnt find the new doctypes, can somebody help me with it?

also i want to create a python controller to interact with this brand new doctype, i manage to insert the js scrip via custom script but the python cotroller, thanks

@yohendry_hurtado do you need follow

http://frappe.github.io/frappe/user/tutorial/
and
https://discuss.erpnext.com/t/how-to-make-changes-of-doctype-save-to-doctype-json-in-erpnext

ok, i was able to generatoe thos files my enabling the developer_mode an log in as administrator the i cretaed the doctypes at develpment module