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Filtering

Filters are evaluated for each event in a calendar feed.

Each calendar can define an ordered list of filters:

config.yaml
calendars:
  - name: example
    public: true
    feed_url: "https://example.com/calendar.ics"
    filters:
      - description: "Remove cancelled events"
        remove: true
        match:
          summary:
            prefix: "Canceled: "

A filter can remove an event, transform event properties, or stop later filters from running.

If no filter removes an event, the event is kept.

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