High-Level Trigger path information HLT_IsoMu18_eta2p1_LooseIsoPFTau20 (TauPlusX dataset).
first seen online on run 190456 (/cdaq/physics/Run2012/5e33/v4.4/HLT/V5)
last seen online on run 193621 (/cdaq/physics/Run2012/5e33/v4.16/HLT/V21)
V4: (runs 190456 - 190738) seeded by: L1_SingleMu16er
V5: (runs 190782 - 191411) seeded by: L1_SingleMu16er
V6: (runs 191691 - 193621) seeded by: L1_SingleMu16er
See also the full list of triggers for CMS 2012 open data:Trigger information for 2012 CMS open data