>>> [!note] Migrated issue <!-- Drupal.org comment --> <!-- Migrated from issue #3574487. --> Reported by: [aalin](https://www.drupal.org/user/2941961) Related to !238 >>> <h3 id="summary-problem-motivation">Problem/Motivation</h3> <p>When a custom AiProvider implements chat(), there is currently no way to determine from the $tags array whether the call originates from a root agent loop or from a sub-agent/tool execution loop.</p>