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NIGELM / HTML-FormFu-2.05 / examples / unicode / root / forms / index.yml 
auto_fieldset: 1

elements:
    - type: Select
      name: view_class
      label: 'Catalyst View Class'
      values:
        - 'View::TT'
        - 'View::TT::Alloy'
      constraints:
        - type: AutoSet
        - type: Required
        - type: SingleValue
    
    - type: Select
      name: render_method
      label: 'FormFu render_method'
      options:
        - [string, string]
        - [tt, tt]
      constraints:
        - type: AutoSet
        - type: Required
        - type: SingleValue
    
    - type: Select
      name: tt_module
      label: 'FormFu tt_module'
      values:
        - Template
        - Template::Alloy
      constraints:
        - type: AutoSet
        - type: Required
        - type: SingleValue
    
    - type: Select
      name: config_file_ext
      label: 'Config file type'
      options:
        - ['.yml',  'YAML']
        - ['.conf', 'Config::General']
      constraints:
        - type: AutoSet
        - type: Required
        - type: SingleValue
    
    - type: Submit
      name: submit