2 from Configuration.Eras.Modifier_trackingLowPU_cff
import trackingLowPU
3 trackingLowPU.toModify(globalTrackingRegionWithVertices, RegionPSet =
dict(VertexCollection =
"pixelVertices"))
4 from Configuration.Eras.Modifier_pp_on_XeXe_2017_cff
import pp_on_XeXe_2017
6 pp_on_XeXe_2017.toModify(globalTrackingRegionWithVertices, RegionPSet =
dict(
7 VertexCollection =
"firstStepPrimaryVertices",
8 beamSpot =
"offlineBeamSpot",
13 useFakeVertices =
False,
15 useFoundVertices =
True,
16 useMultipleScattering =
False