= @form.text_field :value,
  id: @champ.input_id,
  aria: { describedby: @champ.describedby_id },
  placeholder: t(".placeholder"),
  required: @champ.mandatory?,
  pattern: "W[0-9]{9}",
  title: t(".title"),
  class: "width-33-desktop",
  maxlength: 10