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  1. or download this
        # Try to catch  $form->$fieldname usage
        if ((! exists($self->{$name}) || @_) && ! $CGI::FormBuilder::Util:
    +:OURATTR{$name}) {
            if ($self->{fieldsubs}) {
    ...
                belch "Possible field access via \$form->$name() - see 'fi
    +eldsubs' option"
            }
    
  2. or download this
    $form->$fieldname(opt => 'val');
    
  3. or download this
    $form->field(name => $fieldname, opt => 'val');