Iterate reflected field and functions

Snippets taken from here (if link is broken use this)

Example

Dummy class

UCLASS()
class UMyObject : public UObject
{
    GENERATED_BODY()
 
public:
    UFUNCTION(BlueprintCallable)
    float Multiply(float OtherValue)
    {
        return MyValue * OtherValue;
    }
 
    UPROPERTY(EditAnywhere)
    float MyValue = 2.3f;
 
    UPROPERTY(EditAnywhere)
    TArray<int32> MyValueArray;
 
    float UnAnnotatedValue = 3.0f;
};

Iterate the fields and functions

UClass* MyObjectsClass = UMyObject::StaticClass();
 
for (TFieldIterator<FProperty> PropertyIterator(MyObjectsClass); PropertyIterator; ++PropertyIterator)
{
    FProperty* Property = *PropertyIterator;
 
    // Would log "MyValue" and "MyValueArray"
    UE_LOG( LogTemp, Log, TEXT( "%s" ), *Property->GetName() );
}
 
for (TFieldIterator<UFunction> FunctionIterator(MyObjectsClass); FunctionIterator; ++FunctionIterator)
{
    UFunction* Func = *FunctionIterator;
 
    // Would log Multiply
    UE_LOG(LogTemp, Log, TEXT( "%s" ), *FunctionIterator->GetName());
}

Get value

For nesting support see this

for (TFieldIterator<FProperty> PropertyIterator(PrefabPropertiesObjectClass); PropertyIterator; ++PropertyIterator)
{
	FProperty* Property = *PropertyIterator;
	// example of skip
    if (auto* DelegateProperty = CastField<FMulticastDelegateProperty>(Property))  
    {
	    continue;
    }
 
    void* Owner = PrefabPropsObject.Get();
    void* PropertyData = Property->ContainerPtrToValuePtr<void>(Owner);
    
    FString ExportedTextString;  
    Property->ExportText_Direct(ExportedTextString, PropertyData, PropertyData, nullptr, PPF_DebugDump);
    ReflectedProperties.Emplace(FString::Printf(TEXT("%s: %s"), *Property->GetName(), *ExportedTextString));
}

TFieldIterator

You can give a TFieldIterator in the TFieldIterator constructor for more customization like IncludeSuper

Functions

Flags

You can get the reflected function flags by reading FunctionFlags. For example, to check if a function is an RPC you should do if (Function->FunctionFlags & (FUNC_NetServer | FUNC_NetClient | FUNC_NetMulticast))