C++ API Reference: closestPointOnCurve/closestPointOnCurveNode.h
#include <maya/MPxNode.h>
#include <maya/MTypeId.h>
#include <maya/MDataBlock.h>
#include <maya/MDataHandle.h>
#include <maya/MFnTypedAttribute.h>
#include <maya/MFnNumericAttribute.h>
#include <maya/MDagPath.h>
#include <maya/MPlug.h>
#include <maya/MPoint.h>
#include <maya/MVector.h>
class closestPointOnCurveNode :
public MPxNode
{
public:
closestPointOnCurveNode();
~closestPointOnCurveNode() override;
static void *creator();
};