C++ FunctionLibrary error in Blueprint

Development Programming & Scripting Blueprint
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1

Hi,

I just got a problem with a FunctionLibrary.
This is the fist time I tried create a new one and I’m new to programming in general so I’m going to describe exactly what I did:

1: I went to File > Add Code to Project and choose Blueprint Function Library.

2: I added the following code to the library:

header:

UFUNCTION(BlueprintCallable, Category = "Test")
		UObject*GetDefaultObject(TSubclassOf<UObject> ObjectClass);

C++:

UObject* UMyFunctionLibrary::GetDefaultObject(TSubclassOf<UObject> ObjectClass)
{
	return ObjectClass->GetDefaultObject();
}

The node can now be used in a Blueprint.
But when I try to compile I get an Error:

37963-functionlibraryerror.jpg
37963-functionlibraryerror.jpg1360×730 126 KB

I have found the Code for the Function in the Internet but it was only the C++ part. So I tried to do the rest on my own.

I’m a little confused now.
Maybe you can tell me, what I have done wrong.

2

“Target” should pin points to object on which the function is called on, it is required to plug somthing to it or else VM won’t know to which object call a function. If you want to create function not realted to object of this class you need to create static function, you only need to add “static” to function decleration in header file:

 UFUNCTION(BlueprintCallable, Category = "Test")
 static UObject* GetDefaultObject(TSubclassOf<UObject> ObjectClass);

This way Target pin will disapper and you won’t need to deliver any object

3

Thanks it worked:)