Index: /trunk/psModules/src/imcombine/pmSubtractionMatch.h
===================================================================
--- /trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 16400)
+++ /trunk/psModules/src/imcombine/pmSubtractionMatch.h	(revision 16401)
@@ -11,4 +11,6 @@
 #define PM_SUBTRACTION_ANALYSIS_KERNEL "SUBTRACTION.KERNEL" // Name of kernel in the analysis metadata
 #define PM_SUBTRACTION_ANALYSIS_MODE "SUBTRACTION.MODE" // Name of subtraction mode in the analysis metadata
+#define PM_SUBTRACTION_ANALYSIS_REGION "SUBTRACTION.REGION" // Name of subtraction region in the analysis MD
+
 
 /// Match two images