my typical set looks somehow like this
NodeReordering.exe -m 1 V1_SubsurfaceMesh.vtu V2_SubsurfaceMesh.vtu
identifySubdomains.exe -m V2_SubsurfaceMesh.vtu -s 1 -o BC_ -- RiverLineNetworkMapped.vtu
Finding the correct number for -s is sometimes tricky as well.