diff --git a/include/ActionInitialization.hh b/include/ActionInitialization.hh
index 87d8257..4f05e33 100644
--- a/include/ActionInitialization.hh
+++ b/include/ActionInitialization.hh
@@ -56,6 +56,7 @@ class ActionInitialization : public G4VUserActionInitialization
         this->minEnergy = minEnergy;
         this->maxEnergy = maxEnergy;
         this->partSpecies = partSpecies;
+        
     }
 
   private:
diff --git a/include/PrimaryGeneratorAction.hh b/include/PrimaryGeneratorAction.hh
index 1b84a98..851b651 100644
--- a/include/PrimaryGeneratorAction.hh
+++ b/include/PrimaryGeneratorAction.hh
@@ -59,7 +59,34 @@ public:
   G4double getPartEnergy() const{return partEnergy;}
   void setMinPartEnergy(G4double value){minPartEnergy = value;}
   void setMaxPartEnergy(G4double value){maxPartEnergy = value;}
-  void setPartSpecies(G4String value){partSpecies = value;}
+  void setPartSpecies(G4String value){
+    partSpecies = value;
+    if(partSpecies == "e-"){
+      G4cout << "Particle species set to electron" << G4endl;
+    }
+    if(partSpecies == "e+"){
+      G4cout << "Particle species set to positron" << G4endl;
+    }
+    else if(partSpecies == "gamma"){
+      G4cout << "Particle species set to gamma" << G4endl;
+    }
+    else if(partSpecies == "proton"){
+      G4cout << "Particle species set to proton" << G4endl;
+    }
+    else if(partSpecies == "neutron"){
+      G4cout << "Particle species set to neutron" << G4endl;
+    }
+    else if(partSpecies == "pi+"){
+      G4cout << "Particle species set to charged pion" << G4endl;
+    }
+    else if(partSpecies == "pi-"){
+      G4cout << "Particle species set to charged pion" << G4endl;
+    }
+    else{
+      G4cout << "Particle species "<< partSpecies << " not recognized" << G4endl;
+      throw std::invalid_argument("Particle species not recognized");
+    }
+  }
 private:
   G4ParticleGun* fParticleGun = nullptr; // G4 particle gun
   G4double partEnergy;