Example rails_admin.rb file

rails_admin.rb

RailsAdmin.config do |config|
    # Define the actions so we can add duplicate program
  config.actions do
    # root actions
    dashboard                     # mandatory
    # collection actions
    index                         # mandatory
    new
    export
    history_index
    bulk_delete
    # member actions
    show
    edit
    delete
    history_show
    show_in_app
    duplicate_program # This is my custom action
  end

  config.model Program do
    # This never worked for me
    # config.actions do
    #   member :duplicate_program do
    #     visible true
    #   end
    # end
  end
end