Update:
Amazon has released new feature called 'Routines'.
You can use it to command Alexa using any phrase you like.
Here's a tutorial video https://www.youtube.com/watch?v=yaxIaPPRXt8
So here's a list of the command phrases that work with smart home devices:
These action commands will make it more natural to run routines and events, start and stop our cars, open and close our window shades, lock and unlock our doors, open and close our garage doors and so much more.
If you discover any others, please let us know.
ON Commands:
- Alexa, turn on <Device Name>
- Alexa, start <Device Name>
- Alexa, unlock <Device Name>
- Alexa, open <Device Name>
- Alexa, boot up <Device Name>
- Alexa, run <Device Name>
- Alexa, arm <Device Name>
- Alexa, enable <Device Name>
OFF Commands:
- Alexa, turn off <Device Name>
- Alexa, stop <Device Name> (this one is tricky to get right)
- Alexa, stop running <Device Name> (also very tricky)
- Alexa, lock <Device Name>
- Alexa, close <Device Name>
- Alexa, shutdown <Device Name>
- Alexa, shut <Device Name>
- Alexa, disarm <Device Name>
- Alexa, disable <Device Name>
DIM Commands: (not supported by RM Plugin)
- Alexa, brighten <Device Name> to <Position>
- Alexa, dim <Device Name> to <Position>
- Alexa, raise <Device Name> to <Position>
- Alexa, lower <Device Name> to <Position>
- Alexa, set <Device Name> to <Position>
- Alexa, turn up <Device Name> to <Position>
- Alexa, turn down <Device Name> to <Position>
Source:
https://www.reddit.com/r/amazonecho/comments/4gaf05/discovery_a_lot_more_smart_home_action_phrases/