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> Unreal Engine API Reference > Plugins > ControlRig > Units > Deprecated > FRigUnit_TwoBoneIKFK

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FRigUnit_TwoBoneIKFK

Spec define: [https://wiki.it.epicgames.net/display/TeamOnline/FKIK](https://wiki.it.epicgames.net/display/TeamOnline/FKIK)

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Inheritance Hierarchy

FRigVMStruct

FRigUnit

FRigUnitMutable

FRigUnit_TwoBoneIKFK

References

Module	ControlRig
Header	/Engine/Plugins/Experimental/ControlRig/Source/ControlRig/Public/Units/Deprecated/RigUnit_TwoBoneIKFK.h
Include	#include "Units/Deprecated/RigUnit_TwoBoneIKFK.h"

Syntax

[USTRUCT](Programming/UnrealArchitecture/Reference/Structs)(Meta=(DisplayName="TwoBoneIK/FK", Category="Transforms", Deprecated="4.23.0"))
struct FRigUnit_TwoBoneIKFK : public FRigUnitMutable

Remarks

Spec define: https://wiki.it.epicgames.net/display/TeamOnline/FKIK

Variables

	Name	Description
FTransform	EndEffector
FName	EndJoint
float	IKBlend	Float : IKBlend(Default : 0.0) # Blend between 0.0 (FK) and 1.0 (IK)solutions.
FVector	PoleTarget	Transform to use as the pole target(specifies the plane of solution)
float	Spin	Float: Spin(Default : 0.0) # Amount of twist to apply to the solution plane(Additive after application of Pole Target motion)
FName	StartJoint

Constructors

	Name	Description
	FRigUnit_TwoBoneIKFK()

Overridden from FRigUnit

		Name	Description
	void	Execute ( const FRigUnitContext& Context )	Execute logic for this rig unit

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