When using GameDriver you will want to access values to get and set, such as the API commands GetObjectFieldValue and SetObjectFieldValue. To understand the mapping between unreal C++ and Gamedriver consider the table below. 

Unreal Type

C# Equivalent.

Bool

Bool

FHit

Hit*

FLinearColor

Color*

float UE 4.x

float

float UE 5.x

double

FQuat

Quaternion*

FString, FName,FText

String

FTransform

Transform*

FVector

Vector3*

FVector2D

Vector2*

Int

Int

int64

Int64

UObject

LiteGameObject

Bool

Bool

FHit

Hit*

* GameDriver type that comes bundled with the API