2-Multi-Factor Authentication in iOS custom application

I tried to integrate the Okta authentication with my custom iOS application, and I was able to do that piece of work, but the real problem came when I tried to implement the 2-multi-factor authentication in my native iOS application.

I have referred to a sample of work piece in the Okta GitHub, but it seem it has wrote that it supports the 2-multi-factor authentication but I didn’t see any, when I ran the application, the only thing I came to see is that I am authenticated without the 2-multi-factor authentication thing.

I’m posting some images with my post, so that it may help to understand.

Thanks in advance!
Manthan Lal