To have the ability in a scene to make Alexa say any phrase. To vocally signal that a door remains open, a lamp is on. Remind of an upcoming recurring calendar event, for example the dog’s vaccination.
I’m putting the links of what I found for Jeedom and Home Assistant so that everyone can get an idea of the possibilities of this request.
Alexa - lui faire dire quelque chose - Plugins / Communication - Communauté Jeedom
Tutoriel Home Assistant : vos appareils Echo en lecteurs multimédia – Les Alexiens