How to trigger flows with Google Home?

Hi guys!
I have a working connection between Google home and homey. Triggering devices works (more or less), for example ‘Ask homey to close my sun shades’ closes my sun shades

Now I’d like to trigger flows with Google Home. So asking home ‘Ask homey what the daily solar profits are’ (which I’m asking in Dutch since the flow has a likewise Dutch name) doesn’t work for me. See screenshot. I have tried a few variations on the same phrase.

So what’s the standard way to trigger a homey flow?

Try the Card “Something was said” under “Microfoon”

see also the tread " Google Home discussion topic"