class SimpleForm::FormBuilder

f.error_notification :id => 'user_error_message', :class => 'form_error'
f.error_notification :message => 'Something went wrong'
f.error_notification

== Examples

passed straight as html options to the html tag.
otherwise it will look for a message using I18n. All other options given are
has some error. You can give a specific message with the :message option,
Creates an error notification message that only appears when the form object

def error_notification(options={})
  SimpleForm::ErrorNotification.new(self, options).render
end