include username in output Get-AppLockerFileInformation -EventLog

$event = Get-AppLockerFileInformation -EventLog -LogPath "C:\windows\system32\winevt\logs\Microsoft-Windows-AppLocker%4EXE and DLL.evtx" -EventType Audited -Statistics | Select-Object -First 1

output = 

FilePath       : %OSDRIVE%\PROGRAMDATA\APP-V\*\ROOT\VFS\PROGRAMFILESX86\ADOBE\ACROBAT READER D
                 C\READER\ACRORD32.EXE
FilePublisher  : O=ADOBE SYSTEMS, S=CALIFORNIA, C=US\ADOBE ACROBAT READER DC\ACRORD32.EXE
FileHash       : SHA256 0x04FA2719D09DD9*F52B3A8E49ED89D392FED248AADD11D
PolicyDecision : Denied
Counter        : 1

Now i am using this to send an email on a event id but i can only get the output posted above, i would like to include the username that triggerd this event, so i can include this in my email. 

can anyone help me with this? 

Thanks