public VariantInterface::id()
Returns the unique ID for the display variant.
string The display variant ID.
public function id();
© 2001–2016 by the original authors
Licensed under the GNU General Public License, version 2 and later.
Drupal is a registered trademark of Dries Buytaert.
https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Display!VariantInterface.php/function/VariantInterface::id/8.1.x