You can actually use whatever you want for the ID as long as its unique across all the Dendron notes in your workspace. so

this-is-an-acceptable-id

, or

12345

- you can generate your own random ID's in your python script. Once a note is programmatically created, then Dendron should pick it up (we have an async file watcher running in the background) - but there has been some flakiness in the area, so if you don't see your notes being picked up (i.e. they don't show up in tree view), then try reloading your workspace and it should work