aggregator-2.x-dev/tests/modules/aggregator_test/config/schema/aggregator_test.schema.yml

# Schema for the configuration files of the Aggregator Test module.

aggregator_test.settings:
  type: config_object
  label: 'Aggregator test settings'
  mapping:
    items:
      type: mapping
      label: 'Items'
      mapping:
        dummy_length:
          type: integer
          label: 'Dummy length'