Sample ruby class with dynamic attributes in a hash.

incident.rb

module SN
  class Incident

    def initialize(attributes = {})
      @attributes = attributes
    end

    def method_missing(method, args = nil)
      method_name = method.to_s
      if match = method_name.match(/(.*)=/) # writer method
        attribute = match[1]
        @attributes[attribute] = args
      else # reader method
        @attributes[method_name]
      end
    end

  end
end