[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(Exec) static [FInterchangeTestFunctionResult](API\Plugins\InterchangeTests\FInterchangeTestFunctionResult) CheckCurveKeyLeaveTangent ( [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * AnimSequence, const [FString](API\Runtime\Core\Containers\FString) & CurveName, int32 KeyIndex, float ExpectedCurveKeyLeaveTangent )