rfid.recipe_version 
rfid.recipe_version 

rfid.recipe_version 

The RFID recipe file controls how the printer manages RFID tag encoding, according to the type of tag in use.
This command returns the version number of the RFID recipe file currently in use. The RFID recipe file is named RFIDRCPE.XML. The default location for this file is
Z:RFIDRCPE.XML
. If a file using the same name is stored in the E: memory location, it will be used instead of the file stored in the Z: memory location.

Getvar

To return the version number of the RFID recipe file currently in use:
! U1 getvar "rfid.recipe_version"