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API > API/Runtime > API/Runtime/InteractiveToolsFramework > API/Runtime/InteractiveToolsFramework/BaseGizmos > API/Runtime/InteractiveToolsFramework/BaseGizmos/UGizmoPlaneScaleParameterSource
Syntax
TUniqueFunction< FVector2D(const FVector2D &)> ScaleConstraintFunction
Remarks
Optional scale constraint function. Called during interaction with the scale delta To snap the scale delta, return the snapped value