I asked a previous question about doing this. However, the example I gave was to trigger a routine to make an announcement. So, the answer provided, which was very helpful, was one that gave me a way to just make an announcement and not a way to generically trigger an Alexa routine from HA. So, I'm circling back to see if there is a way to trigger an Alexa routine from HA.
I've done this with a Hubitat Elevation by creating a virtual contact sensor in the Hubitat, exposing that device to Alexa, creating a routine in Alexa that is triggered when the virtual contact sensor closes, and having logic on the Hubitat close/open the contact sensor when I want the routine to be triggered. This works fine on the Hubitat but I'm hoping there is a cleaner way, than creating a bunch of virtual contact sensors, to do this with HA.
One example of why I want to trigger a routine from HA is that I have a robotic vacuum whose only integration is through Alexa and I want to trigger the robotic vacuum to run when our home is unoccupied.
Thanks in advance for the help