Magento 2: Make category field required in product form in backend

Question

I want to make the category field required for product form in the backend.

I have tried to add the required class in the block class, but nothing happened.

Since the category field is not an input or dropdown field, I am not able to figure out how can I make it required.

Can anyone help me to achieve this?

Answer 1

Go to

Store -> Attributes -> Product.

Search for

category_ids 

select

Yes 

for

Values Required

it will work.

Tested and working.