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> Unreal Engine API Reference > Runtime > InteractiveToolsFramework > BaseBehaviors > IModifierToggleBehaviorTarget

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IModifierToggleBehaviorTarget

[IModifierToggleBehaviorTarget](API\Runtime\InteractiveToolsFramework\BaseBehaviors\IModifierToggleBehaviorTarget) is an interface that InputBehaviors can use to notify a target about modifier toggle states (like shift key being down, etc).

Windows

MacOS

Linux

Inheritance Hierarchy

IModifierToggleBehaviorTarget

IClickBehaviorTarget

IClickDragBehaviorTarget

IClickSequenceBehaviorTarget

UDrawPolygonTool

IHoverBehaviorTarget

UAddPatchTool

UAddPrimitiveTool

	UAddArrowPrimitiveTool
	UAddBoxPrimitiveTool
	UAddConePrimitiveTool
	UAddCylinderPrimitiveTool
	UAddDiscPrimitiveTool
	UAddPuncturedDiscPrimitiveTool
	UAddRectanglePrimitiveTool
	UAddRoundedRectanglePrimitiveTool
	UAddSpherePrimitiveTool
	UAddSphericalBoxPrimitiveTool
	UAddTorusPrimitiveTool

UAxisAngleGizmo

UAxisPositionGizmo

UCurveControlPointsMechanic

UDrawPolyPathTool

UEdgeLoopInsertionTool

UGroupEdgeInsertionTool

UHoleFillTool

UMeshBoundaryToolBase

URevolveBoundaryTool

UMeshSurfacePointTool

UPlanePositionGizmo

UPolygonOnMeshTool

USpaceCurveDeformationMechanic

UMirrorTool

UPlaneCutTool

References

Module	InteractiveToolsFramework
Header	/Engine/Source/Runtime/Experimental/InteractiveToolsFramework/Public/BaseBehaviors/BehaviorTargetInterfaces.h
Include	#include "BaseBehaviors/BehaviorTargetInterfaces.h"

Syntax

class IModifierToggleBehaviorTarget

Remarks

IModifierToggleBehaviorTarget is an interface that InputBehaviors can use to notify a target about modifier toggle states (like shift key being down, etc). The meaning of the modifier ID is client-defined (generally provided to the InputBehavior in a registration step)

Destructors

	Name	Description
	~IModifierToggleBehaviorTarget()

Functions

		Name	Description
	void	OnUpdateModifierState ( int ModifierID, bool bIsOn )	Notify target of current modifier state

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