I used the Stringify skill:

https://smile.amazon.com/Stringify-Smart-Automation-Home-Work/dp/B01LWZ8J56/ref=sr_1_1?ie=UTF8&qid=1516891578&sr=8-1&keywords=Stringify

Eliminates the need to say things ‘trigger’, which are not very natural or conversational to me.

If you need help setting it up (the Alexa app doesn’t necessarily have the world’s best usability), ask in /r/amazonecho ...for example:

https://www.reddit.com/r/amazonecho/comments/79ppj4/create_complex_alexa_routines_with_stringify_as_a/