Best way to configure multi select for item master data

ERPNext
1

Hello,

I am trying to configure for items a multi-select field, the idea is the user can select one or multiple “tags” for an item.
e.g. Apples could have SNACKING and JUICING tags

My idea:

  1. Create a new field on Item called “Product Tags”
  2. Set it to “Table Multi Select” type(?)
  3. List the options

However, the system is needing a DocType. I tried to create a DocType, I added “Table Multi Select” but again it’s needing a DocType for the options. So now I’m confused.

What is the best way to implement multi select? Which field, if I need to use DocType, how?