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Title Object type File name Summary
hook_node_grants_alter function core/modules/node/node.api.php Alter user access rules when trying to view, edit or delete a node.
hook_node_links_alter function core/modules/node/node.api.php Alter the links of a node.
hook_oembed_resource_url_alter function core/modules/media/media.api.php Alters an oEmbed resource URL before it is fetched.
hook_options_list_alter function core/modules/options/options.api.php Alters the list of options to be displayed for a field.
hook_page_attachments_alter function core/lib/Drupal/Core/Render/theme.api.php Alter attachments (typically assets) to a page before it is rendered.
hook_plugin_filter_TYPE_alter function core/lib/Drupal/Core/Plugin/plugin.api.php Alter the filtering of plugin definitions for a specific plugin type.
hook_plugin_filter_TYPE__CONSUMER_alter function core/lib/Drupal/Core/Plugin/plugin.api.php Alter the filtering of plugin definitions for a specific type and consumer.
hook_query_alter function core/lib/Drupal/Core/Database/database.api.php Perform alterations to a structured query.
hook_query_TAG_alter function core/lib/Drupal/Core/Database/database.api.php Perform alterations to a structured query for a given tag.
hook_queue_info_alter function core/core.api.php Alter cron queue information before cron runs.
hook_requirements_alter function core/lib/Drupal/Core/Extension/module.api.php Alters requirements data.
hook_rest_resource_alter function core/modules/rest/rest.api.php Alter the resource plugin definitions.
hook_search_plugin_alter function core/modules/search/search.api.php Alter search plugin definitions.
hook_system_breadcrumb_alter function core/lib/Drupal/Core/Menu/menu.api.php Perform alterations to the breadcrumb built by the BreadcrumbManager.
hook_system_info_alter function core/lib/Drupal/Core/Extension/module.api.php Alter the information parsed from module and theme .info.yml files.
hook_system_themes_page_alter function core/modules/system/system.api.php Alters theme operation links.
hook_template_preprocess_default_variables_alter function core/lib/Drupal/Core/Render/theme.api.php Alter the default, hook-independent variables for all templates.
hook_theme_registry_alter function core/lib/Drupal/Core/Render/theme.api.php Alter the theme registry information returned from hook_theme().
hook_theme_suggestions_alter function core/lib/Drupal/Core/Render/theme.api.php Alters named suggestions for all theme hooks.
hook_theme_suggestions_HOOK_alter function core/lib/Drupal/Core/Render/theme.api.php Alters named suggestions for a specific theme hook.
hook_tokens_alter function core/lib/Drupal/Core/Utility/token.api.php Alter replacement values for placeholder tokens.
hook_token_info_alter function core/lib/Drupal/Core/Utility/token.api.php Alter the metadata about available placeholder tokens and token types.
hook_toolbar_alter function core/modules/toolbar/toolbar.api.php Alter the toolbar menu after hook_toolbar() is invoked.
hook_tour_tips_alter function core/modules/tour/tour.api.php Allow modules to alter tour items before render.
hook_tour_tips_info_alter function core/modules/tour/tour.api.php Allow modules to alter tip plugin definitions.
hook_transliteration_overrides_alter function core/lib/Drupal/Core/Language/language.api.php Provide language-specific overrides for transliteration.
hook_updater_info_alter function core/lib/Drupal/Core/Extension/module.api.php Alter the Updater information array.
hook_update_projects_alter function core/modules/update/update.api.php Alter the list of projects before fetching data and comparing versions.
hook_update_status_alter function core/modules/update/update.api.php Alter the information about available updates for projects.
hook_user_cancel_methods_alter function core/modules/user/user.api.php Modify account cancellation methods.
hook_user_format_name_alter function core/modules/user/user.api.php Alter the username that is displayed for a user.
hook_validation_constraint_alter function core/core.api.php Alter validation constraint plugin definitions.
hook_views_data_alter function core/modules/views/views.api.php Alter the table and field information from hook_views_data().
hook_views_plugins_access_alter function core/modules/views/views.api.php Modify the list of available views access plugins.
hook_views_plugins_area_alter function core/modules/views/views.api.php Modify the list of available views area handler plugins.
hook_views_plugins_argument_alter function core/modules/views/views.api.php Modify the list of available views argument handler plugins.
hook_views_plugins_argument_default_alter function core/modules/views/views.api.php Modify the list of available views default argument plugins.
hook_views_plugins_argument_validator_alter function core/modules/views/views.api.php Modify the list of available views argument validation plugins.
hook_views_plugins_cache_alter function core/modules/views/views.api.php Modify the list of available views cache plugins.
hook_views_plugins_display_alter function core/modules/views/views.api.php Modify the list of available views display plugins.
hook_views_plugins_display_extenders_alter function core/modules/views/views.api.php Modify the list of available views display extender plugins.
hook_views_plugins_exposed_form_alter function core/modules/views/views.api.php Modify the list of available views exposed form plugins.
hook_views_plugins_field_alter function core/modules/views/views.api.php Modify the list of available views field handler plugins.
hook_views_plugins_filter_alter function core/modules/views/views.api.php Modify the list of available views filter handler plugins.
hook_views_plugins_join_alter function core/modules/views/views.api.php Modify the list of available views join plugins.
hook_views_plugins_pager_alter function core/modules/views/views.api.php Modify the list of available views pager plugins.
hook_views_plugins_query_alter function core/modules/views/views.api.php Modify the list of available views query plugins.
hook_views_plugins_relationship_alter function core/modules/views/views.api.php Modify the list of available views relationship handler plugins.
hook_views_plugins_row_alter function core/modules/views/views.api.php Modify the list of available views row plugins.
hook_views_plugins_sort_alter function core/modules/views/views.api.php Modify the list of available views sort handler plugins.

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