Oops 🙂 I obviously forgot the attachment. How silly of me.
It’s attached now. By the way, you can find the node in the menu under “Variables/Set Blackboard Variable/Set Other Of Type”
Regarding 5, node based actions/functions can be simulated using macros. Can you please share what is that you deem would differenciate a macro that has been set up to return a value for example, versus a node-based function graph?