Xpressengine\Permission\PermissionRepository::findByName PHP Method

    public function findByName($siteKey, $name);

 /**
  * Find a registered by type and name
  *
  * @param string $siteKey site key
  * @param string $name    target name
  * @return Permission
  */
 public function findByName($siteKey, $name)
 {
     $key = $this->getCacheKey($siteKey, $name);
     if (!($permission = $this->cache->get($key))) {
         if ($permission = $this->repo->findByName($siteKey, $name)) {
             $this->cache->put($key, $permission);
         }
     }
     return $permission;
 }