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Non-const references in C++ functions exposed to Blueprint are always treated as outputs by the parser in UnrealHeaderTool.
You can see this in the (very involved) logic of FHeaderParser::GetVarType in Engine/Source/Programs/UnrealHeaderTool/Private/HeaderParser.cpp. This is called by ParseParameterList during parsing a functions parameter list.
If you ...
2
You can try like this.
Define Struct:
USTRUCT(BlueprintType)
struct MYRROJ_API FMyStruct
{
GENERATED_USTRUCT_BODY()
UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Test")
int32 Test;
FMyStruct()
{
}
};
Usage:
UPROPERTY(EditDefaultsOnly, BlueprintReadOnly)
FMyStruct Test;
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