How to add Schedule appointment in walkup portal not from esc portal.

[B Ashok]

Hell Team,

When I visit walkup portal https://xxxxx.service-now.com/walkup , I can see only check-in, but I have a requirement, add schedu...

if I navigate from esc portal I can see the schedule appointment option. 

Please help how to add Schedule appointment from the walkup portal. 

Thanks