Index: trunk/ippconfig/megacam/format_split.config
===================================================================
--- trunk/ippconfig/megacam/format_split.config	(revision 15064)
+++ trunk/ippconfig/megacam/format_split.config	(revision 15095)
@@ -14,4 +14,5 @@
 	FPA.NAME	STR	EXPNUM	# A PHU keyword for unique identifier
 	CONTENT		STR	EXTNAME	# Key to the CONTENTS menu
+	CONTENT.RULE	STR	{CHIP.NAME} # How to derive the CONTENT when writing
 END
 
