Doubt about Elgg options

Hi

 

We a re a company who want to start to develop with elgg, and right now, a Elgg project has arrived to us, but this project has some technical issues that we need to be sure Elgg it's ablr to do before start.

The requeriments of our customer is to be able to sho or hide the wall os an user, and to be able to cross calendars between users.

I guess there's no problem on this issues but we want be sure about that.

 

Thanks for your help