How to change GTA Online Freemode Events Session Settings?

The new GTA Online Freemode Events came out this week. In Rockstar's release they say:
"One of these events can kick off at any given moment while in Freemode, and you can customize your session to decide exactly which ones will happen – so you can play as much or as little of this new content as you like." http://www.rockstargames.com/newswire/article/52497/the-gta-online-freemode-events-update-coming-next-week
We had a Closed Crew Session last night and could not find where/ how to customize the session settings.
The Interaction menu now has "Hide Options" and where you can show/hide Map Markers/ Jobs/ Events - but that seems to happen on a personal level.
Any guidance on how to customize Freemode Event session settings in GTA Online would be appreciated.
I've also posted a related question about how to get the Freemode Events happening more regularly: How to Make GTA Online Freemode Events Happen More Regularly?
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How do I change my GTA Online session?
How to start GTA Online Freemode Events and Challenges. To start GTA Online Freemode Events and Challenges, you need to be in the right type of lobby \u2013 most sessions are compatible, including a Public, Invite only, Crew session, or Friends only session.How do you trigger a Freemode Event?
To achieve this, they must first enter story mode and then select GTA Online. They will be given the option to choose their preferred lobby. GTA Online players can decide between solo or invite only. This applies to every platform.GTA 5 ONLINE - 5 THINGS YOU SHOULD KNOW ABOUT FREEMODE EVENTS (GTA 5 Tips \u0026 Tricks)
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Images: Karolina Grabowska, George Milton, Pixabay, Karolina Grabowska