Save game always has default values

Development Pipeline & Plugins Editor Scripting
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1

I’m trying to make a simple saving and loading system and have been following the Docs for help. I have the following code:

// Declaration in the .h file
 UCustomSave* saveGame;

.cpp file

// Loads the topology from a struct that can be saved to a save game object.
void UNeuralNetwork::Load(FString customSlotName) {
	FString test;
	if (UGameplayStatics::DoesSaveGameExist(customSlotName, 0)) {
		UE_LOG(LogTemp, Warning, TEXT("Save game exists in slot: %s"), *customSlotName);

		// Retrieve and cast the USaveGame object to UCustomSave.
		this->saveGame= Cast<UCustomSave>(UGameplayStatics::LoadGameFromSlot(customSlotName, 0));

		test = this->saveGame->prevSaved ? "true" : "false";

		// The operation was successful, so LoadedGame now contains the data we saved earlier.
		UE_LOG(LogTemp, Warning, TEXT("Has been Previously Saved? %s"), *test);

	}
}

void UNeuralNetwork::Save(FString customSlotName) {
	FString test;
	if (this->saveGame== nullptr) {
		this->saveGame= Cast<UCustomSave>(UGameplayStatics::CreateSaveGameObject(UCustomSave::StaticClass()));
	}
	// Set data on the savegame object.
	this->saveGame->prevSaved = true;

	// Save the data immediately.
	if (UGameplayStatics::SaveGameToSlot(this->saveGame, customSlotName, 0))
	{
		UE_LOG(LogTemp, Warning, TEXT("Save was Successful in slot: %s"), *customSlotName);
	}


}

I’m using prevSaved as a boolean that will be set on the .h file of the save game object UCustomSave as false. This is purely for testing, but it is always the default value.

I get the following results after calling Save and then Load:

LogTemp: Warning: Save was Successful in slot: Test
LogTemp: Warning: Save game exists in slot: Test
LogTemp: Warning: Has been Previously Saved? true

I’m not sure where I am going wrong so any help would be much appreciated

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