To record attendance for visitors in TWMS mobile app, after you log into your TWMS mobile app and select the Toolbox talks, pre-starts & courses tab:
Step 1: Scroll down and select the session for which you want to sign in attendees. It will bring you to the Session details screen.
Step 2: Select Record visitor attendance.
Step 3: Select visitor from the list and then select Sign in 1 visitor.
Step 4: A message is displayed confirming the attendee was successfully signed in.