recurring_events-2.0.x-dev/modules/recurring_events_ical/recurring_events_ical.routing.yml

# iCal property mapping configuration
entity.event_ical_mapping.collection:
  path: '/admin/structure/events/ical'
  defaults:
    _entity_list: 'event_ical_mapping'
    _title: 'iCalendar'
  requirements:
    _permission: 'administer eventinstance types'

entity.event_ical_mapping.add_form:
  path: '/admin/structure/events/ical/add'
  defaults:
    _entity_form: 'event_ical_mapping.add'
    _title: 'Add iCalendar property mapping'
  requirements:
    _permission: 'administer eventinstance types'

entity.event_ical_mapping.edit_form:
  path: '/admin/structure/events/ical/{event_ical_mapping}'
  defaults:
    _entity_form: 'event_ical_mapping.edit'
    _title: 'Edit iCalendar property mapping'
  requirements:
    _permission: 'administer eventinstance types'

entity.event_ical_mapping.delete_form:
  path: '/admin/structure/events/ical/{event_ical_mapping}/delete'
  defaults:
    _entity_form: 'event_ical_mapping.delete'
    _title: 'Delete iCalendar property mapping'
  requirements:
    _permission: 'administer eventinstance types'

# iCalendar download on EventSeries
entity.eventseries.ical:
  path: '/events/series/{eventseries}/ical'
  defaults:
    _controller: '\Drupal\recurring_events_ical\Controller\EventExportController::series'
  requirements:
    _entity_access: 'eventseries.view'
    eventseries: \d+
  options:
    parameters:
      eventseries:
        type: entity:eventseries

# iCalendar download on EventInstance
entity.eventinstance.ical:
  path: '/events/{eventinstance}/ical'
  defaults:
    _controller: '\Drupal\recurring_events_ical\Controller\EventExportController::instance'
  requirements:
    _entity_access: 'eventinstance.view'
    eventinstance: \d+
  options:
    parameters:
      eventinstance:
        type: entity:eventinstance