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form.yaml
version: 1
title: "Preferences"
description: "A simple form that limits how many options can be selected."

sections:
  - id: section_1
    title: "Preferences"
    fields:
      - id: interests
        type: multiple_select
        label: "Choose your interests"
        options:
          - "Product updates"
          - "Events"
          - "Research"
          - "Partner news"
        validators:
          - required
          - type: min
            value: 1
            message: "Choose at least 1 option."
          - type: max
            value: 2
            message: "Choose no more than 2 options."

    next: done