High-Level Trigger path information AlCa_EcalPhiSym.
first seen online on run 190389 (/cdaq/special/2012_2b/HLT/V3)
last seen online on run 209151 (/cdaq/special/25ns/v1.1/HLT/V2)
V11: (runs 190389 - 193621) seeded by: L1_ZeroBias
V12: (runs 193834 - 196531) seeded by: L1_ZeroBias
V13: (runs 198022 - 209151) seeded by: L1_ZeroBias
See also the full list of triggers for CMS 2012 open data:Trigger information for 2012 CMS open data