I really hope you give plane developers the chance to connect GPU cables and AIRCON hoses cables to these jetways.
We'll have two documented variables that airplane developers can check, which will tell them if there's at least one jetway docked with a GPU or AIR unit, so they can do whatever they need to do in their code, to enable such systems, like external power or external air.
For default airplanes (or airplanes that use the default electrical system), a jetway with a GPU will keep the battery in charge, without requiring FSUIPC, of course...
However, no cables will be visible, not unless we'll do a native P3D4 version of GSX (the P3D4 SDK has a "rope" simulation API, that no other simulator has), which might eventually come at some stage, but not right now.
Do you plane to make the exact connection points available? Or will they be always the same?
If and
when we'll have visible cables, we'll have editable connection points in the airplane configuration editor, just like the Fuel connection