Any user can raise or lower their hand to signal the presenter without interrupting the session.
Any user can raise their hand to signal the presenter — for example, to ask a question or request to speak. Lowering your hand removes the signal.To raise your hand, select the hand icon.
A hand emoji appears on your user icon.
A prompt also appears in the top-right corner confirming that your hand is raised.
When you lower your hand, the emoji disappears from your user icon and another prompt confirms the change.