iCalendar File Enhancements- 20B

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I need a clarification on new function  available in 20B, for' iCalendar File Enhancements'

As per the readiness document  this is for offering details. The issue is with the Event Details with deep link. Document mentioned that Deep link will be present only if the Mobile First profile option is enabled. When I searched for profile option with that name there is no one. I need to know the correct profile option to enable for this Event details deep link.

Readiness document description for the function : 

https://www.oracle.com/webfolder/technetwork/tutorials/tutorial/cloud/r13/wn/talent/releases/20B/20B-talent-mgmt-wn.htm#F12588