hook_entity_property_info snippet

mymod.module.php

<?php
// ...
  $properties['url'] = array(
    'label' => t('URL'),
    'description' => t("The URL of the job's view page."),
    'getter callback' => 'mymod_entity_metadata_get_properties',
    'type' => 'uri',
    'computed' => TRUE,
  );
// ...