Add event selection flags

Author: gbencedi

PWGMM/Mult/Tasks/dndetaMFTPbPb.cxx

@@ -114,6 +114,8 @@ struct DndetaMFTPbPb {
     Configurable<float> maxZvtxDiff{
       "maxZvtxDiff", 1.0f,
       "max allowed Z vtx difference for reconstruced collisions (cm)"};
+    Configurable<bool> requireIsGoodZvtxFT0VsPV{"requireIsGoodZvtxFT0VsPV", true, "require events with PV position along z consistent (within 1 cm) between PV reconstructed using tracks and PV using FT0 A-C time difference"};
+    Configurable<bool> requireRejectSameBunchPileup{"requireRejectSameBunchPileup", true, "reject collisions in case of pileup with another collision in the same foundBC"};
     Configurable<bool> requireNoCollInTimeRangeStrict{"requireNoCollInTimeRangeStrict", true, " requireNoCollInTimeRangeStrict"};
     Configurable<bool> requireNoCollInRofStrict{"requireNoCollInRofStrict", true, "requireNoCollInRofStrict"};
     Configurable<bool> requireNoCollInRofStandard{"requireNoCollInRofStandard", false, "requireNoCollInRofStandard"};
@@ -942,13 +944,13 @@ struct DndetaMFTPbPb {
     if constexpr (fillHis) {
       registry.fill(HIST("hEvtSel"), 1);
     }
-    if (!collision.selection_bit(aod::evsel::kIsGoodZvtxFT0vsPV)) {
+    if (eventCuts.requireIsGoodZvtxFT0VsPV && !collision.selection_bit(o2::aod::evsel::kIsGoodZvtxFT0vsPV)) {      
       return false;
     }
     if constexpr (fillHis) {
       registry.fill(HIST("hEvtSel"), 2);
     }
-    if (!collision.selection_bit(aod::evsel::kNoSameBunchPileup)) {
+    if (eventCuts.requireRejectSameBunchPileup && !collision.selection_bit(o2::aod::evsel::kNoSameBunchPileup)) {
       return false;
     }
     if constexpr (fillHis) {