How to Set the Actor rotation to Yaw in C++?

Development Programming & Scripting C++
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7

.cpp

void AMyCharacter::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

	if (_bAltPressed) //Tick to call sync the character in real time
	{
		SynchCharacterFreeLook();
	}
}

void AMyCharacter::SynchCharacterFreeLook()
{
		print("Synch free look"); //called print on screen macro
		FRotator rotYaw_GC = GetControlRotation();
		FRotator rotYaw_GA = GetActorRotation();
		rotYaw_GA.Yaw = rotYaw_GC.Yaw;
		SetActorRotation(rotYaw_GA);
}

PlayerInputComponent->BindAction(FreeLook, IE_Pressed, this, &AMyCharacter::FreeLookPressed);
PlayerInputComponent->BindAction(FreeLook, IE_Released, this, &AMyCharacter::FreeLookReleased);

void AMyCharacter::FreeLookPressed() //Alt Pressed
{
	_bAltPressed = true;
	FRotator AltPressedRotation = SpringArm->GetTargetRotation();
	GetCharacterMovement()->bUseControllerDesiredRotation = false;
	GetCharacterMovement()->bOrientRotationToMovement = true;
}

void AMyCharacter::FreeLookReleased() //Alt Released
{
	_bAltPressed = false;
	FRotator AltPressedRotation = SpringArm->GetTargetRotation();
	GetCharacterMovement()->bUseControllerDesiredRotation = true;
	GetCharacterMovement()->bOrientRotationToMovement = false;
}