File Upload as Category Attribute - Magento2

Question

I want to create a custom attribute for Category, which is File Attribute.

I want to upload any kind of documents in it. Like PDF,txt, doc, etc,.

Anyone helps me to do that via setup Upgrade?

Same like this, in Magento 2

Magento Custom Category Attribute File

Answer 1

I found the solution with the help of the following blog. Here There have tried to create a image category attribute, where us I tried with file PDF option.

https://webkul.com/blog/add-custom-image-attribute-category-magento-2/

In Vendor/Module/etc/di.xml inside allowedExtensions I have added my file formats and I got success in that.