instance method
before_action
Ruby on Rails 8.0.4
Since v4.0.13Signature
before_action(names, block)
Append a callback before actions. See _insert_callbacks for parameter details.
If the callback renders or redirects, the action will not run. If there are additional callbacks scheduled to run after that callback, they are also cancelled.
Source
# File actionpack/lib/abstract_controller/callbacks.rb, line 132
Defined in actionpack/lib/abstract_controller/callbacks.rb line 132
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Defined in AbstractController::Callbacks::ClassMethods