lightning_scheduler-8.x-1.x-dev/config/schema/lightning_scheduler.schema.yml

lightning_scheduler.settings:
  type: config_object
  label: 'Lightning Scheduler settings'
  mapping:
    time_step:
      type: integer
      label: "The time input's step attribute"
    allow_past_dates:
      type: boolean
      label: "Allow scheduling dates/times in the past."