How to enter multiple values ​​in Active Admin field?

Question

Ruby on Rails

Hello.
In my Rails application, I have a product that needs to have the currently available sizes defined by the admin. How can I make it possible to add several values ​​to the Sizes field when creating a product from the admin panel?

Answer 1

Create a Size model, and link it with a many-to-many relationship to the product. It turns out, something like a guide.