Implements hook_field_info().
function email_field_info() {
return array(
'email' => array(
'label' => t('E-mail'),
'description' => t('This field stores an e-mail address in the database.'),
'default_widget' => 'email_default',
'default_formatter' => 'email_mailto',
'field item class' => 'Drupal\\email\\Type\\EmailItem',
),
);
}