myServer 6 supports the Vizio line of TVs via an IP integration
Install the Vizio driver via myServer's Software Updater.
Requires pairing with TV with a two step process:
Click the Pairing icon in the driver for that TV.
TV will then display a PIN onscreen.
Press the pairing button. visible on the TV will be the new PIN code. Put that pin code as the parameter to the GetAuthToken command GetAuthToken~<pairing key> and run the command and that will get the final auth token that you need.
Note that if you attempt to pair too many times, the TV will lock out futher attempts. You might need to wait awhile and/ or power cycle the TV to try again.
Device type should be "TV"