diff --git a/Source/AdvancedSessions/Classes/AdvancedSessionsLibrary.h b/Source/AdvancedSessions/Classes/AdvancedSessionsLibrary.h
index 021f064..39d0169 100644
--- a/Source/AdvancedSessions/Classes/AdvancedSessionsLibrary.h
+++ b/Source/AdvancedSessions/Classes/AdvancedSessionsLibrary.h
@@ -30,7 +30,7 @@ public:
 
 		// Adds or modifies session settings in an existing array depending on if they exist already or not
 		UFUNCTION(BlueprintCallable, Category = "Online|AdvancedSessions|SessionInfo")
-		static void AddOrModifyExtraSettings(const TArray<FSessionPropertyKeyPair> & SettingsArray, const TArray<FSessionPropertyKeyPair> & NewOrChangedSettings, TArray<FSessionPropertyKeyPair> & ModifiedSettingsArray);
+		static void AddOrModifyExtraSettings(UPARAM(ref)  TArray<FSessionPropertyKeyPair> & SettingsArray, UPARAM(ref)  TArray<FSessionPropertyKeyPair> & NewOrChangedSettings, TArray<FSessionPropertyKeyPair> & ModifiedSettingsArray);
 
 		// Get an array of the session settings from a session search result
 		UFUNCTION(BlueprintCallable, Category = "Online|AdvancedSessions|SessionInfo")
diff --git a/Source/AdvancedSessions/Private/AdvancedSessionsLibrary.cpp b/Source/AdvancedSessions/Private/AdvancedSessionsLibrary.cpp
index be629bf..a085548 100644
--- a/Source/AdvancedSessions/Private/AdvancedSessionsLibrary.cpp
+++ b/Source/AdvancedSessions/Private/AdvancedSessionsLibrary.cpp
@@ -15,7 +15,7 @@ void UAdvancedSessionsLibrary::GetUniqueBuildID(FBlueprintSessionResult SessionR
 	UniqueBuildId = SessionResult.OnlineResult.Session.SessionSettings.BuildUniqueId;
 }
 
-void UAdvancedSessionsLibrary::AddOrModifyExtraSettings(const TArray<FSessionPropertyKeyPair> & SettingsArray, const TArray<FSessionPropertyKeyPair> & NewOrChangedSettings, TArray<FSessionPropertyKeyPair> & ModifiedSettingsArray)
+void UAdvancedSessionsLibrary::AddOrModifyExtraSettings(UPARAM(ref) TArray<FSessionPropertyKeyPair> & SettingsArray, UPARAM(ref) TArray<FSessionPropertyKeyPair> & NewOrChangedSettings, TArray<FSessionPropertyKeyPair> & ModifiedSettingsArray)
 {
 	ModifiedSettingsArray = SettingsArray;
 
@@ -25,7 +25,7 @@ void UAdvancedSessionsLibrary::AddOrModifyExtraSettings(const TArray<FSessionPro
 	{
 		bFoundSetting = false;
 
-		for (FSessionPropertyKeyPair itr : ModifiedSettingsArray)
+		for (FSessionPropertyKeyPair & itr : ModifiedSettingsArray)
 		{
 			// Manually comparing the keys
 			if (itr.Key == Setting.Key)