How to implement a simple Firewall NAT

Hello, I am trying to map a public IP address (2.2.2.2) to a Virtual Server address (10.0.100.15). Surprisingly, I haven't found much documentation on how to do this online and the official F5 documentation is confusing. I also took the F5 AFM course from F5, but they did not cover this at all.

Can someone explain in simple terms how to accomplish this? Thank you.