"IS Null" filter in frappe query

Frappe Framework
1

Hello dears:
please, how to apply IS NULL filter in frappe queries
SQL query: select * from categories where parent IS NULL;
what is the opposite in frappe:
frappe.get_list(“categories”,
fields=[
“name”],
filters={
“parent”: ‘IS NULL’ ??
},
ignore_permissions=True)

2

@Omar_Salah You can try this.

frappe.get_list("Category", fields=["name"], filters = {"parent": ("=", "")})

3

I think it’s work well till now !
thank you @ManasSolanki