Get user's input from keyboard press in C++

Development Programming & Scripting C++
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I have the following code in my DomeCameraPawn class:

void ADomeCameraPawn::MoveCameraUp() {
	FVector Location = GetActorLocation();
	FVector VectorUp = FVector(0, 0, MovementIncrement);
	Location += VectorUp;
	SetActorLocation(Location);
}

void ADomeCameraPawn::MoveCameraDown() {
	FVector Location = GetActorLocation();
	FVector VectorDown = FVector(0, 0, -MovementIncrement);
	Location += VectorDown;
	SetActorLocation(Location);
}

Initially in the blueprint, I’ve set these to respond to keyboard press events:

image

But, I want my code to be almost purely in C++.

So I was thinking of taking the user input (keyboard presses) in the code itself and then connecting them to the MoveCameraUp and MoveCameraDown functions using a simple if/else.

However, I can’t seem to find how to take in user inputs. I was told to use PlayerController
or GetFirstPlayerController() but I’m lost at how. Here is one attempt that failed:

if (UWorld* World = GetWorld())
{
FInputKeyManager* input = World->GetFirstPlayerController()->PlayerInput();
}

TIA for any help or guide!