zammad/app/models/concerns/has_object_manager_attributes.rb

# Copyright (C) 2012-2023 Zammad Foundation, https://zammad-foundation.org/

module HasObjectManagerAttributes
  extend ActiveSupport::Concern

  included do
    # Disable table inheritance to allow columns with the name 'type'.
    self.inheritance_column = nil

    validates_with ObjectManager::Attribute::Validation, on: %i[create update]

    after_initialize ObjectManager::Attribute::SetDefaults.new
  end
end