Recently I have migrated my setup from openhab 2 to openhab 3. In the end everything was working as before. Now I am at the next phase and want to convert my paper set-up to the GUI version of OH3.
I have found the option to import thing from the paper UI, but not found this for the channels.
Do I manually need to create all the channels one by one and link the corresponding items to it? Or have I overlooked the a possibility to generate the channels as well.
There is no import for Things but only for items 
But of course it’s possible to export all Information in openHAB through REST API and import it in openHAB3 the same way.