Thank you!
is it a proper way to get it in Attribute Editor?
global proc AESplineSpineTemplate( string $nodeName )
{
editorTemplate -beginScrollLayout;
editorTemplate -beginLayout "SplineSpine Attributes" -collapse 0;
editorTemplate -addControl "segments";
editorTemplate -addControl "maxstretch";
editorTemplate -addControl "maxsquash";
editorTemplate -addControl "softness";
editorTemplate -addControl "position";
editorTemplate -endLayout;
editorTemplate -beginLayout "Ramp Attributes" -collapse 0;
falloffCurveAttr -at ($nodeName + ".scaleRamp");
editorTemplate -endLayout;
AEdependNodeTemplate $nodeName;
editorTemplate -addExtraControls;
editorTemplate -endScrollLayout;
}