Add "Use Default Option" In Custom Category Attribute In Magento 2

Question

I am creating a custom category attribute. When I am changing the store view language, then Use Default Option not appearing.

Answer 1

When you create the category attribute, you need to add a global attribute as the scope store

$categorySetup->addAttribute(
    \Magento\Catalog\Model\Product::ENTITY,
    'is_emotion',
    [
        ....
        'global' => \Magento\Eav\Model\Entity\Attribute\ScopedAttributeInterface::SCOPE_STORE,
        ....
    ]
);