function EntityTestReferenceCustomCacheTagFormatter::viewElements

Overrides FormatterInterface::viewElements

File

core/modules/system/tests/modules/entity_test/src/Plugin/Field/FieldFormatter/EntityTestReferenceCustomCacheTagFormatter.php, line 24

Class

EntityTestReferenceCustomCacheTagFormatter

Plugin implementation of the 'entity_reference_custom_cache_tag' formatter.

Namespace

Code

public function viewElements(FieldItemListInterface $items, $langcode) {
    return [
        '#cache' => [
            'tags' => [
                'custom_cache_tag',
            ],
        ],
    ];
}