< ApplicationController 2: def index => 3: binding.irb 4: end 5: end irb(#<AlbumsController:0x00007f8d94ae4998>):001:0> params => <ActionController::Parameters {"controller"=>"albums", "action"=>"index"} permitted: false> ... irb(#<AlbumsController:0x00007f8d94ae4998>):007:0> controller_name => "albums" irb(#<AlbumsController:0x00007f8d94ae4998>):008:0> action_name => "index"