ctools-8.x-3.x-dev/tests/modules/ctools_wizard_test/config/schema/ctools_wizard_test_config_entity.schema.yml

ctools_wizard_test.ctools_wizard_test_config_entity.*:
  type: config_entity
  label: 'Example config entity'
  mapping:
    id:
      type: string
      label: 'ID'
    label:
      type: label
      label: 'Label'
    uuid:
      type: string
    one:
      type: string
      label: 'The first piece of information'
    two:
      type: string
      label: 'The second piece of information'