app/admin/event_session_comment.rb
ActiveAdmin.register EventSessionComment do
menu :label => 'Event Session Comment List', :parent => 'Events'
# We will not allow admins to edit comment as it violates non-repudiation
# Admin can however delete comments if they need to
controller do
actions :all, :except => [:edit]
end
index do
column :id
column :event_session
column :user
column :comment_body
actions
end
end