Hi Maverick
Thanks for using Syncfusion products.
We suggest you to use drop event to achieve your requirement. please refer the code snippet and sample below for your reference.
Code snippet:
$("#diagram").ejDiagram({
drop:drop,
});
function drop(args) {
var diagram = $("#diagram").ejDiagram("instance");
var node = args.element;
node.shape = "path";
node.pathData = "M 67.2947 100 L 67.2947 0.00102291 L 59.138 0.00102291 M 100 50 L 66.8899 50 M 33.1101 50 L 0 50 M 33.1101 0 L 67.5585 50.0015 L 33.1101 99.9995 Z";
diagram.updateNode(node.name, {});
}
Sample:http://www.syncfusion.com/downloads/support/forum/119922/ze/palette-1049792960
Please let us know if any concerns.
Regards,
Shyam G