CFRANKS / HTML-FormFu-Model-DBIC-2.03 / t / default_values / many_to_many-has_many.yml 
---
auto_fieldset: 1

elements:
  - name: band

  - type: Hidden
    name: count

  - type: Repeatable
    nested_name: users
    counter_name: count

    elements:
      - type: Hidden
        name: id

      - type: Text
        name: name

      - type: Hidden
        name: count

      - type: Repeatable
        nested_name: addresses
        counter_name: count
        elements:
            - type: Hidden
              name: id

            - name: address

  - type: Submit
    name: submit