In any thread or chat, click the thread action button on the compose box or type the back slash "/ " to get a list of possible thread actions.
Choose Start a Zoom call
After choosing this action for the first time, you will be prompted to authorize Zoom.
Click Authorize Zoom. A new window will appear with the Zoom login screen. Click Allow to give consent.
Return to Glue and repeat the action to Start a Zoom call. A link to the call will be sent to the thread and all participants can click the link to join.