Chapter 5 Compliance : Configuring FortiGate units for PCI DSS compliance : Wireless network security : Setting up rogue access point scanning : Logging the results of rogue AP scanning
  
Logging the results of rogue AP scanning
To ensure that detection of rogue access points is logged, go to Log&Report > Log Config > Log Setting and enable logging for WiFi activity event.
In the logs, the Type is event and the Sub Type is wireless.