Index: trunk/ippconfig/gpc1/format_raw.config
===================================================================
--- trunk/ippconfig/gpc1/format_raw.config	(revision 15071)
+++ trunk/ippconfig/gpc1/format_raw.config	(revision 15095)
@@ -17,4 +17,5 @@
 	FPA.NAME	STR	CONTROLR   # A PHU keyword for unique identifier within the hierarchy level
 	CONTENT	        STR     DETECTOR   # How to determine content of FITS file
+	CONTENT.RULE	STR	{CHIP.NAME} # How to derive the CONTENT when writing
 END