Node Creation Menu calls/creates a node(s) over the Nodegraph canvas.
You can open the Node Creation Menu by right-clicking on the Nodegraph view with your mouse.
Nodes are listed under node classes.
Clicking on a Node Class bracket (>) expands it, and corresponding nodes belonging to that class are listed.
As soon as you start typing, the node creation menu suggests the matching node(s).
Hoover your mouse over a pin.
Left-click and drag your mouse pointer.
When you release your mouse, Node Creation Menu popups as illustrated above.
Select the new node.