Problem Http Request

Development Programming & Scripting Blueprint
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4

I don’t know what I need to add to my new code because I don’t know how to get MessageBody in a node, I’m using delegates but it’s difficult to understand it and the code which you can find below has errors and I don’t know why.

Could you tell me how would be the code?

.H:

#include "Kismet/BlueprintFunctionLibrary.h"
#include "Runtime/Online/HTTP/Public/Http.h"
#include "HttpConnections.generated.h"

DECLARE_DYNAMIC_DELEGATE(Delegate, FString, Messagebody);

UCLASS()
class PROYECTOIMAG_API UHttpConnections : public UBlueprintFunctionLibrary
{
	GENERATED_BODY()

public:

	FHttpModule* Http;
	UFUNCTION(BlueprintCallable, Category = "Arch Function")
		static void MyHttpCall();

	UPROPERTY(BlueprintReadWrite, Category = "Delegate", VisibleAnywhere)
		Delegate Resultado;

	void RequestComplete(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful);

public:
	UFUNCTION(BlueprintPure)
		void Retrieve(Delegate& Messagebody);
};

.cpp:

#include "ProyectoImag.h"
#include "Runtime/Online/HTTP/Public/Http.h"
#include "Engine.h"
#include "HttpConnections.h"


/*Http call*/
void UHttpConnections::MyHttpCall()
{
	
	TSharedRef<IHttpRequest> Request = FHttpModule::Get().CreateRequest();
	/*This is the url on which to process the request*/
	//Get a la base de datos
	Request->SetVerb("GET");
	Request->SetHeader("Content-Type", TEXT("application/"));
	Request->SetURL("http://localhost/basic/web/index.php?r=objetos%2Frecoger");
	Request->OnProcessRequestComplete().BindUObject(this, &UHttpConnections::RequestComplete);
	Request->ProcessRequest();
}
void UHttpConnections::RequestComplete(FHttpRequestPtr Request, FHttpResponsePtr Response, bool bWasSuccessful) 
{
	FString Messagebody;
	Messagebody=Response->GetContentAsString();
	Resultado.Broadcast(Messagebody);
}
void UHttpConnections::Retrieve(const ResultadoDelegate& Messagebody)
{
	Resultado = Messagebody;
}

Thanks.