How to add the attibutes to menu?

@adpo
Which element is targeting for adding an attribute?
Is it the outer container of the menu?
Is it a

tag of the menu?
Is it a
• tag of the menu?
  Is it a tag of the menu?

Hi, I have found an alternative solution:

Simplify Menu | http://Drupal.org

[ https://www.drupal.org/project/simplify_menu] →

@adpo
Wow!, Nice module.
The issue have solved for you so you may close this ticket.