--- /dev/null
+#File clitkSum.ggo
+package "clitkSum"
+version "1.0"
+purpose ""
+
+option "config" - "Config file" string optional
+option "verbose" v "Verbose" flag off
+
+option "imagetypes" - "Display allowed image types" flag off
+
+option "input" i "Input image filename" string required
+option "output" o "Output image filename" string required
+option "dimension" d "Dimension along which to sum" int yes