Calendar Filter to Switch Boolean

[Cake1468]

@Didgeridrew Just noticed you helped out this one too which is what I was starting to build off. So thanks for the continued help!

Is the approach in this link no longer useful, or is there a case where it makes sense still?

Template Sensor Configuration for Calendar Events

You can define variables in the action block: template: - trigger: - platform: time_pattern seconds: /10 action: - service: calendar.get_events target: entity_id: calendar.waste_collection data: duration: days: 14 response_variable: waste_events - variables: all_events: "{{ waste_events['calendar.waste_collection'].events }}" paper_ev: "{{ all_events | selectattr('summary', 'search', 'Pap…