[PWGLF] hStrangeCorrelation: Fix number of parameters in histogram filling (#16624)

Author: gengjiabin12

PWGLF/Tasks/Strangeness/hStrangeCorrelation.cxx

@@ -2803,12 +2803,17 @@ struct HStrangeCorrelation {
         continue;
       static_for<0, 7>([&](auto i) {
         constexpr int Index = i.value;
-        if (i == IndexPion && mcParticle.pdgCode() > Neutral)
+        if (i == IndexPion && mcParticle.pdgCode() > Neutral) {
           histos.fill(HIST("Generated/hPositive") + HIST(Particlenames[Index]), mcParticle.pt(), mcParticle.eta(), 1);
-        else if (i == IndexPion && mcParticle.pdgCode() < Neutral)
+        } else if (i == IndexPion && mcParticle.pdgCode() < Neutral) {
           histos.fill(HIST("Generated/hNegative") + HIST(Particlenames[Index]), mcParticle.pt(), mcParticle.eta(), 1);
-        else if (mcParticle.pdgCode() == PdgCodes[i])
-          histos.fill(HIST("Generated/h") + HIST(Particlenames[Index]), mcParticle.pt(), mcParticle.eta(), 1);
+        } else if (mcParticle.pdgCode() == PdgCodes[i]) {
+          if (efficiencyFlags.applyEffAsFunctionOfMultAndPhi) {
+            histos.fill(HIST("Generated/h") + HIST(Particlenames[Index]), mcParticle.pt(), mcParticle.eta(), mcParticle.phi(), 1);
+          } else {
+            histos.fill(HIST("Generated/h") + HIST(Particlenames[Index]), mcParticle.pt(), mcParticle.eta(), 1);
+          }
+        }
       });
     }
     if (collisions.size() < 1)