instance method
before_action
Ruby on Rails 4.0.13
Since v4.0.13Signature
before_action(names, block)
Append a callback before actions. See _insert_callbacks for parameter details. Aliased as before_filter.
Source
# File actionpack/lib/abstract_controller/callbacks.rb, line 81
Defined in actionpack/lib/abstract_controller/callbacks.rb line 81
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Defined in AbstractController::Callbacks::ClassMethods