static void CheckOutputsParametersInDelegateSignature(const UFunction* SignatureFunc, const UK2Node * DelegateNode, FCompilerResultsLog& MessageLog) { for (TFieldIterator<UProperty> PropIt(SignatureFunc); PropIt && (PropIt->PropertyFlags & CPF_Parm); ++PropIt) { UProperty* FuncParam = *PropIt; if (FuncParam->HasAllPropertyFlags(CPF_OutParm) && !FuncParam->HasAllPropertyFlags(CPF_ConstParm)) { const bool bIsArray = FuncParam->IsA<UArrayProperty>(); // array is always passed by reference, see FKismetCompilerContext::CreatePropertiesFromList const FString MessageStr = FString::Printf( *LOCTEXT("DelegatesDontSupportRef", "Event Dispatcher: No value will be return by reference. Parameter '%s'. Node '@@'").ToString(), *FuncParam->GetName()); if (bIsArray) { MessageLog.Note(*MessageStr,DelegateNode); } else { MessageLog.Warning(*MessageStr, DelegateNode); } } } }