Assist Calendar Blueprint

assist_calendar.yaml

blueprint:
  name: Assist Calendar
  author: Piitaya
  description: Use Assist and a calendar to schedule actions in natural language.
  domain: automation
  input:
    calendar:
      name: Calendar
      description: All events in this calendar will be processed by Assist
      selector:
        entity:
          multiple: false
          filter:
            domain: calendar
  source_url: https://gist.github.com/piitaya/5859cedeeafe2b097053c41496825a05
mode: parallel
max: 100
triggers:
  - trigger: calendar
    event: start
    entity_id: !input calendar
actions:
  - service: conversation.process
    data:
      text: "{{ trigger.calendar_event.summary }}"

Can you test with an event in a slightly more distant future? Looks like calendar events can take 15 min to be available for triggers.

Source : home-assistant/core#85596 (comment)