TestStringAction.php

<?php

namespace Drupal\rules_test\Plugin\RulesAction;

use Drupal\rules\Core\RulesActionBase;

/**
 * Provides a test action that concatenates a string to itself.
 *
 * @RulesAction(
 *   id = "rules_test_string",
 *   label = @Translation("Test concatenate action"),
 *   category = @Translation("Tests"),
 *   context_definitions = {
 *     "text" = @ContextDefinition("string",
 *       label = @Translation("Text to concatenate")
 *     ),
 *   },
 *   configure_permissions = { "access test configuration" },
 *   provides = {
 *     "concatenated" = @ContextDefinition("string",
 *       label = @Translation("Concatenated result"),
 *       description = @Translation("The concatenated text.")
 *     ),
 *   }
 * )
 */
class TestStringAction extends RulesActionBase {
    
    /**
     * Concatenates the text with itself.
     *
     * @param string $text
     *   The text to concatenate.
     */
    protected function doExecute($text) {
        $this->setProvidedValue('concatenated', $text . $text);
    }

}