<Field name="toLanguage" component="select" normalize={normalizeLanguage}>
        {languages.map(function(item) {
          return <option key={item.id} value={item.name}>{item.display}</option>;
        })}
      </Field>

      <Field name="toValue" component="input" type="text" placeholder="toLanguageString" />

<button type="button" onClick={() => dispatch(change('TranslationDetail', 'toValue', 'foo')) }>dispatch</button>

const normalizeLanguage = (value, previousValue, dispatch) => {
  if (!value) {
    return value
  }
  console.log(value)
  dispatch(change('TranslationDetail', 'toValue', value))
  return value
}

export default normalizeLanguage