>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3500732. --> Reported by: [mysdiir](https://www.drupal.org/user/3748022) Related to !469 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>There is currently no action that can combine the list values of two existing lists into one.</p> <h3 id="summary-proposed-resolution">Proposed resolution</h3> <p>Create a new ECA action, as well as the corresponding <a href="https://ecaguide.org/plugins/">documentation</a>.</p> <p>I'd be happy to contribute it :)</p>