Admins: There is no admin control for this feature.
End users:
Meeting participants can pin and unpin their own messages. Meeting hosts can unpin anyone’s message.
You can pin a message by hovering over it in the chat window and selecting the pin icon. Visit the Help Center to learn more about sending chat messages.
In the Google Cloud Community, connect with Googlers and other Google Workspace admins like yourself. Participate in product discussions, check out the Community Articles, and learn tips and tricks that will make your work and life easier. Be the first to know what's happening with Google Workspace.
On the “What’s new in Google Workspace?” Help Center page, learn about new products and features launching in Google Workspace, including smaller changes that haven’t been announced on the Google Workspace Updates blog.