I'm exploring "Studio" and I came across a more complex flow. I need to create an app that records activities and creates meetings with recurring dates and times, and then shows these meetings on the calendar. Basically this is what "Calendar" does, but with some personalized attributes. Well, it seems that there is no such solution, so I'm sharing it here to see if I can find a way. 

I'm currently using Odoo Enterprise because Odoo Community doesn't have "Studio"