Z->uds samples via the filecatalog. Check if overlaid or not, which Tracking was used.
dirac-ilc-get-info -p prodID
Same for EvtType bb or tt
FC:/> find -D / DetectorType=CLIC_o3_v13 EvtType=Z_uds Datatype=DST Energy=1000
Query: {'EvtType': 'Z_uds', 'Datatype': 'DST', 'Energy': '1000', 'DetectorType': 'CLIC_o3_v13'}
/ilc/prod/clic/1tev/Z_uds/CLIC_o3_v13/DST/00008565/000
/ilc/prod/clic/1tev/Z_uds/CLIC_o3_v13/DST/00008636/000
QueryTime 7.59 sec
FC:/> meta get /ilc/prod/clic/1tev/Z_uds/CLIC_o3_v13/DST/00008565/000
*EvtType : Z_uds
*NumberOfEvents : 50
*Datatype : DST
*Energy : 1000
SWPackages : OverlayInput.1;marlin.ILCSoft-2
BeamParticle1 : e1
*DetectorType : CLIC_o3_v13
*Machine : clic
BeamParticle2 : E1
EPA_B2 : F
EPA_B1 : F
*ProdID : 8565
FC:/> meta get /ilc/prod/clic/1tev/Z_uds/CLIC_o3_v13/DST/00008636/000
*EvtType : Z_uds
*NumberOfEvents : 50
*Datatype : DST
*Energy : 1000
SWPackages : marlin.ILCSoft-2017-08-23_gcc62
BeamParticle1 : e1
*DetectorType : CLIC_o3_v13
*Machine : clic
BeamParticle2 : E1
EPA_B2 : F
EPA_B1 : F
*ProdID : 8636