The My Networking tab is where Connections made by an Event Attendee or a Community Member will be listed.
A Connection is someone that an Attendee/Community Member added through the "Connect" button and/or whose badge was scanned.
"My networking" in the Studio
In the Studio, My networking can be found within the My Event Content Button:
(Community builder/Event builder → Content display → Add button)
The My networking feature needs to be enabled via the Data tab of the My Event Content Button.
"My networking" in the Event App
To add someone to My networking, you simply need to "connect" with them. One simple way is to click on their profile (at Event or Community level) and click on Send connection request. Once they accept the request, they will be listed under My networking.