DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FReceiveDelegateEvent, FString, Value1, FString, Value2);

UPROPERTY(BlueprintAssignable, Category = "Event")

FReceiveDelegateEvent  ReceiveDelegateEvent;

UFUNCTION(BlueprintCallable, Category = "My|MyActor")

void BroadcastToBluePrint(FString value1, FString value2);

void AMyActor::BroadcastToBluePrint(FString value1, FString value2)

{

　　this->ReceiveDelegateEvent.Broadcast(value1, value2);

}

// Fill out your copyright notice in the Description page of Project Settings.  

#pragma once  

#include "UObject/NoExportTypes.h"

#include "Kismet/BlueprintAsyncActionBase.h"

#include "MyObject.generated.h"  

/**

 *

 */

UCLASS()

class TTTTT_API UMyObject : public UBlueprintAsyncActionBase

{

    GENERATED_BODY()  

public:  

    DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FTestDelegate, FString, Content, int32, StatusCode);  

    UFUNCTION(BlueprintCallable, Category = "MyObject")

        static UMyObject* DDDelegate(FString url,  FString Content);  

    UPROPERTY(BlueprintAssignable)

        FTestDelegate OnSuccess;  

    UPROPERTY(BlueprintAssignable)

        FTestDelegate OnFail;

private:

    void DDUseDelegate(bool bSucceeded);

};  

// Fill out your copyright notice in the Description page of Project Settings.  

#include "TTTTT.h"

#include "MyObject.h"  

UMyObject* UMyObject::DDDelegate(FString url, FString Content)

{

    UMyObject* Helper = NewObject<UMyObject>();  

    return Helper;

}  

void UMyObject::DDUseDelegate(bool bSucceeded)

{

    if (bSucceeded)

    {

        OnSuccess.Broadcast("",);

    }

    else

    {

        OnFail.Broadcast("", );

    }

}