Cover for Alexa

Hi,

I have several Shelly 2.5 as roller shutter. In HA they work well as cover devices. In Alexa, the roller shutters are displayed with an on/off button. To set the position by voice works, but ‘Alexa, roller shutter up/down’ does not work.

Somewhere I read that this is due to the missing attribute ‘position’. The shellys have only current_position.

Now my idea was to wrap the shellys in a template cover. Has anyone done this before. I can’t get this to work somehow.