// create scene with sphere

NewScene( null, false );

CreatePrim("Sphere", "MeshSurface", null, null);

// get selected elements from scene

if ( Selection.count == 0 ) {

	LogMessage( "Nothing selected", siError );

} else {	

	var objs = Selection;

	// get selected meshes from selection list

	var meshes = SIFilter( objs, "polygon_mesh", true, siQuickSearch );

	if ( !meshes ) {

		LogMessage( "No polygon meshes selected", siError );

	}

	// add 4 vertex color properties to each mesh

	for ( var i = 0; i < objs.count; i++ ) {

		// get current mesh (type : "polyMsh")

		var obj = objs( i );

		// get obj material

		var mat = obj.Material;

		// if material is not local add one

		if ( mat.IsA(siSharedPSet) ) {

			mat = obj.AddMaterial();

		}

		// get polygon mesh geometry

		var polymesh = obj.ActivePrimitive.Geometry;	

		for ( var j = 0; j < 4; j++ ) {

			polymesh.AddVertexColor();

		}

	}

	// list all vertex colors installed on polygon meshes

	for ( var i = 0; i < objs.count; i++ ) {

		// get current mesh (type : "polyMsh")

		var obj = objs( i );

		// get polygon mesh geometry

		var polymesh = obj.ActivePrimitive.Geometry;	

		var vertexcolors = polymesh.VertexColors;

		LogMessage( vertexcolors.Count );

		for ( var j = 0; j < vertexcolors.Count; j++ )

		{

			var vertexcolor = vertexcolors(j);

			LogMessage( vertexcolor.fullname );

		}

	}

}

//