whatsNewExpiration
From SAP Enable Now Wiki
Scope
SAP Companion parameter, specified either in the URL or in the SAP Companion parameters in the linked application.
Purpose
This parameter is used in conjunction with whatsNewDirect, and specifies the date after which the What's New page should not be automatically displayed when the user accesses the application.
Usage
Specified as:
whatsNewExpiration={YYYY-MM-DD}
or
expireWN={YYYY-MM-DD}
