discourse/app/models/user_field.rb

class UserField < ActiveRecord::Base
  validates_presence_of :name, :description, :field_type
end

# == Schema Information
#
# Table name: user_fields
#
#  id          :integer          not null, primary key
#  name        :string(255)      not null
#  field_type  :string(255)      not null
#  created_at  :datetime
#  updated_at  :datetime
#  editable    :boolean          default(FALSE), not null
#  description :string(255)      not null
#  required    :boolean          default(TRUE), not null
#