recurring_events-2.0.x-dev/modules/recurring_events_ical/config/schema/recurring_events_ical.event_ical_mapping.schema.yml

recurring_events_ical.event_ical_mapping.*:
  type: config_entity
  label: 'Event iCal property mapping'
  mapping:
    id:
      type: string
      label: 'ID'
    label:
      type: label
      label: 'Type'
    properties:
      type: sequence
      label: 'Properties'
      sequence:
        type: recurring_events_ical.ical_property.[%key]