Unreal JsonToStruct .h

UFUNCTION(BlueprintCallable, Category = "Valhalla|Server", CustomThunk, meta = (CustomStructureParam = "structToFill"))
		static void JsonToStruct(const UProperty* structToFill, const FString& json);

DECLARE_FUNCTION(execJsonToStruct) {
	Stack.MostRecentPropertyAddress = nullptr;
	Stack.MostRecentProperty = nullptr;

	Stack.StepCompiledIn<UStructProperty>(NULL);
	void* structPtr = Stack.MostRecentPropertyAddress;
	auto structProperty = Cast<UStructProperty>(Stack.MostRecentProperty);

	Stack.StepCompiledIn<UStrProperty>(NULL);
	void* strPtr = Stack.MostRecentPropertyAddress;
	auto strProperty = Cast<UStrProperty>(Stack.MostRecentProperty);

	P_FINISH;

	TSharedPtr<FJsonObject> data = MakeShareable(new FJsonObject());
	TSharedRef<TJsonReader<>> jsonReader = TJsonReaderFactory<>::Create(strProperty->GetPropertyValue(strPtr));

	if (FJsonSerializer::Deserialize(jsonReader, data) && data.IsValid()) {
		UScriptStruct* Struct = structProperty->Struct;
		for (TFieldIterator<UProperty> It(Struct); It; ++It)
		{
			UProperty* Property = *It;

			// This is the variable name if you need it
			FString variableName = Property->GetName();

			// Never assume ArrayDim is always 1
			for (int32 ArrayIndex = 0; ArrayIndex < Property->ArrayDim; ArrayIndex++)
			{
				// This grabs the pointer to where the property value is stored
				void* ValuePtr = Property->ContainerPtrToValuePtr<void>(structPtr, ArrayIndex);

				FString vrtxSpaces = "_";
				FString vrtxAString = "";
				FString vrtxBString = "";

				if (variableName.Split(vrtxSpaces, &vrtxAString, &vrtxBString, ESearchCase::CaseSensitive, ESearchDir::FromStart)) {
					SetProperty(Property, ValuePtr, data, vrtxAString);
				}
				else
				{
					SetProperty(Property, ValuePtr, data, variableName);
				}

			}
		}
	}
}