Version 1

[yaffs-website] / web / core / modules / system / tests / modules / entity_test_update / config / schema / entity_test_update.schema.yml

field.value.multi_value_test:
  type: mapping
  label: 'Default value'
  mapping:
    value1:
      type: sequence
      sequence:
        type: string
        label: 'First value'