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1. Get a "PowerView Hub (Gen 2)" to be paired with drapes.

2. Use "PowerView App" to set up some "scene".

3. use this http command to get "scene ID" from the hub: http://ipaddress/api/scenes.

PS: you can reasily get this via any web browser, then you will get some scene ID's, for example a scene ID is "123".

4. Then just send "http://ipaddress/api/scenes?sceneId=123", and you can activate the scene stored in the hub.

This is not the officail API for "Gen 2 Hub", but it's the latest one and working, be minded the upper letters of commands.