Property Name	Type	Description
clearAcknowledgements	InputMaybe<Boolean>	Whether the existing acknowledgements should be reset or not.
cloudId	String	The cloud ID of the site to update an announcement on.
description	InputMaybe<String>	The description of the announcement.
id	String	The ID of the announcement being updated.
targetDate	InputMaybe<Any>	The date on which the changes in the announcement will take effect.
title	InputMaybe<String>	The title of the announcement.