rmontero

Create link from text and url

$url = Url::fromRoute($route_name);
$link = Link::fromTextAndUrl($text, $url);

Create link from route

$link = Link::createFromRoute('Link Text', 'route_name')->getUrl();

rmontero

Create link from text and url

$url = Url::fromRoute($route_name);
$link = Link::fromTextAndUrl($text, $url);

Create link from route

$link = Link::createFromRoute('Link Text', 'route_name')->getUrl();

rmontero

Dynamic Link Action

1. Add a class under plugin/Derivative by extending \Drupal\Component\Plugin\Derivative\DeriverBase
2. Add to *.links.action.yml
3. Example:

field_ui.field_storage_config_add:
  class: \Drupal\Core\Menu\LocalActionDefault
  deriver: \Drupal\field_ui\Plugin\Derivative\FieldUiLocalAction