farm-2.x-dev/modules/core/id_tag/config/schema/farm_id_tag.schema.yml

# Schema for tag_type config entity.
farm_id_tag.tag_type.*:
  type: config_entity
  label: 'Tag type'
  mapping:
    id:
      type: string
      label: 'ID'
    label:
      type: label
      label: 'Label'
    bundles:
      type: sequence
      label: 'Bundles'
      nullable: true
      sequence:
        type: string
        label: 'Bundle'