Picking a knob pythonically

In this example, I create a group. Inside that group there is a simple backdrop node. To that node is added a Color_Knob. Now, adding a knob to a node is rather simple. But when it’s time to add this knob to the group it lives in, (also known as “pick knob” in Manager User Knob) is might seem not so intuitive.

Here’s an example.