.
├── sandboxes                       // Contains folders shared between the sandboxes and the host
│   ├── Firefox                         // Folder shared between the host and the Firefox sandbox
│   │   ├── abcdefgh.default-release        // Firefox profile copied from the host
│   │   ├── backups                         // Contains a backup of all previous Firefox profiles
│   │   ├── install.bat                     // Install script automatically executed when the Windows Sandbox starts (see below)
│   │   └── save.bat                        // Script to manually execute to save modified Firefox profile onto the host for next Windows Sandbox run
│   └── Firefox.wsb                     // Windows Sandbox profile for Firefox. Double-click to open the sandbox
└── shared
    └── Tools
        └── procexp64.exe

<Configuration>
<vGPU>Enable</vGPU>
<Networking>Default</Networking>
<MappedFolders>
   <MappedFolder>
     <HostFolder>C:\path\to\wubes\sandboxes\Firefox</HostFolder>
     <ReadOnly>false</ReadOnly>
   </MappedFolder>
</MappedFolders>
<LogonCommand>
   <Command>C:\users\WDAGUtilityAccount\Desktop\Firefox\install.bat</Command>
</LogonCommand>
</Configuration>