class ActiveModel::ForbiddenAttributesError

Parent:
StandardError

Raised when forbidden attributes are used for mass assignment.

class Person < ActiveRecord::Base
end

params = ActionController::Parameters.new(name: 'Bob')
Person.new(params)
# => ActiveModel::ForbiddenAttributesError

params.permit!
Person.new(params)
# => #<Person id: nil, name: "Bob">

© 2004–2020 David Heinemeier Hansson
Licensed under the MIT License.