ScaleConstraint.scalingAxis

Description

The axes affected by the ScaleConstraint.

Use this property to restrict the effect of the constraint on a particular axis.

using UnityEngine.Animations;

public class ConstraintAxis
{
    public void ConstrainOnlyOnXY(ScaleConstraint component)
    {
        component.scalingAxis = Axis.X | Axis.Y;
    }
}