Unfortunately I can't see the attached pictures (Diagram1 and Diagram2) and because of this I'm not entirely sure what you mean. From your explanation I understand that you want to add additional connection points and if this is the case you should take a look at this help article
and try out this code:
var connection =
(note: you'd better turn off the RouteConnections)
I hope I was able to help you and if you have more questions please feel free to ask.
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