[UPROPERTY](Programming/UnrealArchitecture/Reference/Properties)(EditAnywhere, BlueprintReadWrite, Category="Settings")
TSoftObjectPtr< UMaterialInterface > Material
Material should be set to Post Process domain, and Blendable Location = After Tonemapping. This will need bDisableMultisampleEffects enabled for pixels to line up(ie : no DoF, MotionBlur, TAA)