It would be great to have an option inside the routine creation to add written commands (google home has that option), it is very helpful with skills that don't appear as a device after discovery.
example: Ecovacs Robots
Instead of saying " Alexa tell my Deebot to start cleaning" and waiting for all the explanation that Alexa gives about the skill
In a routine you could:
Enter routine name: Start cleaning
1. when this happens: Voice, Alexa, "Start cleaning"
2. Add an action: Alexa says, "Starting the clean"
2 Add an action: add a written command "Alexa tell my Deebot to start cleaning"
This could apply to many skills that need to be woken by a fix sentence and consequently require the user to remember fixed commands. It would also give the option to integrate the device in a routine with other devices.