Data Entry Version 1.1 Six (6) fields Version: The Data Entry format version this entry is using. Name: In-game name for this entry. Class: Doom engine `MT_` name associated with this entry. Use "MT/" and type the rest of the name in CamelCase. SprCode: Four-letter prefix attached to this entry's picture files. Number: Doom engine thing number associated with this entry. Text: Flavour text for display on in-game database terminals, scanner log entries, trading cards, etc..