MCFiltering request for RD WG
Request info: https://its.cern.ch/jira/browse/LHCBGAUSS-2791
Attach stage6.yaml for more information: TauTo3Mu.stage6.yaml
Request info: https://its.cern.ch/jira/browse/LHCBGAUSS-2791
Attach stage6.yaml for more information: TauTo3Mu.stage6.yaml