28 #type uses of StatusMessages

AddFormBase::buildForm in core/modules/media_library/src/Form/AddFormBase.php
Form constructor.
AjaxFormHelperTrait::ajaxSubmit in core/lib/Drupal/Core/Ajax/AjaxFormHelperTrait.php
Submit form dialog #ajax callback.
AjaxRenderer::renderResponse in core/lib/Drupal/Core/Render/MainContent/AjaxRenderer.php
Renders the main content render array into a response.
BareHtmlPageRenderer::renderBarePage in core/lib/Drupal/Core/Render/BareHtmlPageRenderer.php
Renders a bare page.
BigPipePlaceholderTestCases::cases in core/modules/big_pipe/tests/modules/big_pipe_test/src/BigPipePlaceholderTestCases.php
Gets all BigPipe placeholder test cases.
BlockPageVariant::build in core/modules/block/src/Plugin/DisplayVariant/BlockPageVariant.php
Builds and returns the renderable array for the display variant.
BlockPageVariantTest::providerBuild in core/modules/block/tests/src/Unit/Plugin/DisplayVariant/BlockPageVariantTest.php
BlockPageVariantTest::testBuildWithoutMainContent in core/modules/block/tests/src/Unit/Plugin/DisplayVariant/BlockPageVariantTest.php
Tests the building of a full page variant with no main content set.
ClassyTest::testClassyTheme in core/themes/classy/tests/src/Kernel/ClassyTest.php
Tests the classy theme.
ContentModerationConfigureEntityTypesForm::buildForm in core/modules/content_moderation/src/Form/ContentModerationConfigureEntityTypesForm.php
Form constructor.
EditorImageDialog::submitForm in core/modules/editor/src/Form/EditorImageDialog.php
Form submission handler.
EditorLinkDialog::submitForm in core/modules/editor/src/Form/EditorLinkDialog.php
Form submission handler.
EditorMediaDialog::submitForm in core/modules/media/src/Form/EditorMediaDialog.php
Form submission handler.
FormAjaxSubscriber::onException in core/lib/Drupal/Core/Form/EventSubscriber/FormAjaxSubscriber.php
Catches a form AJAX exception and build a response from it.
hook_ajax_render_alter in core/lib/Drupal/Core/Form/form.api.php
Alter the Ajax command data that is sent to the client.
LayoutBuilder::layout in core/modules/layout_builder/src/Element/LayoutBuilder.php
Renders the Layout UI.
ManagedFile::uploadAjaxCallback in core/modules/file/src/Element/ManagedFile.php
#ajax callback for managed_file upload forms.
Messages::render in core/modules/views/src/Plugin/views/area/Messages.php
Render the area.
MessagesTest::testRender in core/modules/views/tests/src/Unit/Plugin/area/MessagesTest.php
Tests the render method.
MessageTest::testMessages in core/tests/Drupal/KernelTests/Core/Theme/MessageTest.php
Tests setting messages output.
QuickEditController::fieldForm in core/modules/quickedit/src/QuickEditController.php
Returns a single field edit form as an Ajax response.
RenderPlaceholderMessageTestController::build in core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php
RenderPlaceholderMessageTestController::queuedMessages in core/modules/system/tests/modules/render_placeholder_message_test/src/RenderPlaceholderMessageTestController.php
SimplePageVariant::build in core/lib/Drupal/Core/Render/Plugin/DisplayVariant/SimplePageVariant.php
Builds and returns the renderable array for the display variant.
SystemMessagesBlock::build in core/modules/system/src/Plugin/Block/SystemMessagesBlock.php
Builds and returns the renderable array for this block plugin.
ViewAjaxController::ajaxView in core/modules/views/src/Controller/ViewAjaxController.php
Loads and renders a view via AJAX.
ViewsFormBase::ajaxFormWrapper in core/modules/views_ui/src/Form/Ajax/ViewsFormBase.php
Wrapper for handling AJAX forms.
_update_ckeditor5_html_filter in core/modules/ckeditor5/ckeditor5.module
AJAX callback handler for filter_format_form().

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.