The Program UUT Name field in a program will contain the name of the tested UUT, usually the name used in the schematics and describing it.
"17FB132 Digital I/O Card"
"TS-305 ATE " (for a self test of the TS-305 ATE, ATEasy Test System)
"9567741 Audio Amplifier"
"XPD 60-9 Power Supply"
During Run time with AProgram Uut property
During Design time in the Program Module Properties Information page

During Design time in the Program's Shortcut Properties Misc page (v6)

ATEasy honors the Uut name in the priority as above.
The Uut name can be more than one line of string.