How to Customize a Core Doctype?

[NCP]

Hi @aashishvashisht6,

You can’t add the custom field in the below doctype.

frappe/frappe/blob/version-15/frappe/model/__init__.py#L98-L117

Reference:

How to edit core doctypes like DocType or User?

You can customize the doctype but you can’t delete the field from the doctype or change the field type because If you want to add the field then you can’t add it via custom field. because “Custom Fields cannot be added to core DocTypes” You have to make a code for the add custom field in the core doctype when install the custom app. reference: