Hi walter,
i have a diagram of this model. sample link is below.
https://gojs.net/latest/samples/regrouping.html
how can i get outgoing nodes and groups from system_1 in above image?
how can i get incoming nodes and groups from system_2 in above image?
how can i get top level part for outgoing nodes and groups from system_1 in above image?
how can i get top level part for incoming nodes and groups from system_2 in above image?