function Url::setRouteParameter
Sets a specific route parameter.
Parameters
string $key: The key of the route parameter.
mixed $value: The route parameter.
Return value
$this
Throws
\UnexpectedValueException. If this is a URI with no corresponding route.
File
- 
              core/lib/ Drupal/ Core/ Url.php, line 621 
Class
- Url
- Defines an object that holds information about a URL.
Namespace
Drupal\CoreCode
public function setRouteParameter($key, $value) {
  if ($this->unrouted) {
    throw new \UnexpectedValueException('External URLs do not have route parameters.');
  }
  $this->routeParameters[$key] = $value;
  return $this;
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.
