function hook_system_breadcrumb_alter
Perform alterations to the breadcrumb built by the BreadcrumbManager.
Parameters
\Drupal\Core\Breadcrumb\Breadcrumb $breadcrumb: A breadcrumb object returned by BreadcrumbBuilderInterface::build().
\Drupal\Core\Routing\RouteMatchInterface $route_match: The current route match.
array $context: May include the following key:
- builder: the instance of \Drupal\Core\Breadcrumb\BreadcrumbBuilderInterface that constructed this breadcrumb, or NULL if no builder acted based on the current attributes.
 
Related topics
5 functions implement hook_system_breadcrumb_alter()
Note: the procedural functions in this list are found by pattern matching, so the list may include some functions that are not actually implementations of this hook.
- LayoutBuilderHooks::systemBreadcrumbAlter in core/
modules/ layout_builder/ src/ Hook/ LayoutBuilderHooks.php  - Implements hook_system_breadcrumb_alter().
 - LayoutBuilderTestMenuHooks::systemBreadcrumbAlter in core/
modules/ layout_builder/ tests/ modules/ layout_builder_test/ src/ Hook/ LayoutBuilderTestMenuHooks.php  - Implements hook_system_breadcrumb_alter().
 - layout_builder_system_breadcrumb_alter in core/
modules/ layout_builder/ layout_builder.module  - Implements hook_system_breadcrumb_alter().
 - MenuUiHooks::systemBreadcrumbAlter in core/
modules/ menu_ui/ src/ Hook/ MenuUiHooks.php  - Implements hook_system_breadcrumb_alter().
 - menu_ui_system_breadcrumb_alter in core/
modules/ menu_ui/ menu_ui.module  - Implements hook_system_breadcrumb_alter().
 
1 invocation of hook_system_breadcrumb_alter()
- BreadcrumbManager::build in core/
lib/ Drupal/ Core/ Breadcrumb/ BreadcrumbManager.php  - Builds the breadcrumb.
 
File
- 
              core/
lib/ Drupal/ Core/ Menu/ menu.api.php, line 442  
Code
function hook_system_breadcrumb_alter(\Drupal\Core\Breadcrumb\Breadcrumb &$breadcrumb, \Drupal\Core\Routing\RouteMatchInterface $route_match, array $context) {
  // Add an item to the end of the breadcrumb.
  $breadcrumb->addLink(\Drupal\Core\Link::createFromRoute(t('Text'), 'example_route_name'));
}
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