Changing the order of sockets in Blender Geometry Nodes groups

We can change the order of sockets in a Blender Geometry Nodes node group manually by simply dragging it - in the N-panel in the Group - Interface tab, hold down the desired socket and drag it with the mouse to the desired place. We can move a socket in a group node to a new location using the Blender Python API with the move() function of the "interface" object.

Read more: https://b3d.interplanety.org/en/changing-the-order-of-sockets-in-blender-geometry-nodes-groups/