How to delete all records in Table B by deleting parent record in Table A?l

1

It works like Email Group and Email Group Member. When delete Email Group, all members under Email Group will be deleted as well.

2

//email_group.py

def on_trash(self):
for d in frappe.get_all(“Email Group Member”, “name”, {“email_group”: self.name}):
frappe.delete_doc(“Email Group Member”, d.name)