I've just got the Google Home, and SmartThings hub. My TV is already controlled with Logitech Harmony Hub (Smart Home Hub).

How do I set it up so that saying "Ok Google, Watch TV" would trigger the harmony activity to watch TV?

*Edit:*  
- [Harmony Smart Control](http://www.bestbuy.ca/en-CA/product/logitech-logitech-harmony-smart-control-915-000195/10242486.aspx)  
- [SmartThings Hub](https://shop.smartthings.com/kits/samsung-smartthings-home-monitoring-kit) (I understand it's the V2)  
- Google Home (there is only one version)