Add process functions + table for soft pi

Author: Marcellocosti

PWGHF/D2H/DataModel/ReducedDataModel.h

@@ -698,6 +698,7 @@ DECLARE_SOA_INDEX_COLUMN_FULL(Prong1, prong1, int, HfRedTrackBases, "_1"); //! P
 DECLARE_SOA_COLUMN(Prong0MlScoreBkg, prong0MlScoreBkg, float);             //! Bkg ML score of the D daughter
 DECLARE_SOA_COLUMN(Prong0MlScorePrompt, prong0MlScorePrompt, float);       //! Prompt ML score of the D daughter
 DECLARE_SOA_COLUMN(Prong0MlScoreNonprompt, prong0MlScoreNonprompt, float); //! Nonprompt ML score of the D daughter
+DECLARE_SOA_COLUMN(PtSoftPi, ptSoftPi, float); //! Soft pion pt for B0 → D*+ π-
 } // namespace hf_cand_b0_reduced
 
 DECLARE_SOA_TABLE(HfRedB0Prongs, "AOD", "HFREDB0PRONG", //! Table with B0 daughter indices
@@ -711,6 +712,13 @@ DECLARE_SOA_TABLE(HfRedB0DpMls, "AOD", "HFREDB0DPML", //! Table with ML scores f
 
 using HfRedCandB0 = soa::Join<HfCandB0Ext, HfRedB0Prongs>;
 
+DECLARE_SOA_TABLE(HfRedB0SoftPi, "AOD", "HFREDB0SOFTPI", //! Table with ML scores for the D+ daughter
+                  o2::aod::hf_cand_dstar::ImpParamSoftPi,
+                  o2::aod::hf_cand_dstar::ImpParamZSoftPi,
+                  o2::aod::hf_cand_dstar::ErrorImpParamSoftPi,
+                  o2::aod::hf_cand_dstar::ErrorImpParamZSoftPi,
+                  o2::aod::hf_cand_b0_reduced::PtSoftPi);
+
 namespace hf_cand_bplus_reduced
 {
 DECLARE_SOA_INDEX_COLUMN_FULL(Prong0, prong0, int, HfRed2Prongs, "_0");    //! Prong0 index