Manual Chapter : Example: Basing step-up authentication on a custom value

Applies To:

  • BIG-IP APM

    15.1.10, 15.1.9, 15.1.8, 15.1.7, 15.1.6, 15.1.5, 15.1.4, 15.1.3

Updated Date: 07/07/2026

Example: Basing step-up authentication on a custom value

In this example, the Variable Assign agent stores a value in a predefined custom variable.

In the illustration, Predefined Variables is selected, Group is set to Per-Request Variables, and Variable is set to Scratchpad. An iRule in the Custom Expression field gets the value, which is the client IP address.