How to remove the viewing permission of an action?

• Access the action in which you want to make the change (within the meeting or via the "Inbox" menu);
• Click on the "Green key" that appears just below the action title;
• Clear the selection of the/ user/s who will not be able/n to see this action;
• Click "Save".

For that user it will be as if the action did not exist, you will not have access to any content linked to it.