<link href="https://cdn.jsdelivr.net/jquery.suggestions/16.5.1/css/suggestions.css" type="text/css" rel="stylesheet" />
<script type="text/javascript" src="https://ajax.googleapis.com/ajax/libs/jquery/1.10.2/jquery.min.js"></script>

<!-- Если поле адреса доставки запрашивается -->
	 {% IF SETTINGS_ORDER_FIELDS_ADDRESS<3 %}
		 <li class="wide">
		 <div class="clear"></div>
		 <label for="quickDeliveryAddress" {% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}class="required"{% ENDIF %}>Адрес доставки{% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}<em>*</em>{% ENDIF %}</label>
		 <div class="input-box">
			 <textarea cols="100" rows="5" id="quickDeliveryAddress" name="form[delivery][address]" {% IF SETTINGS_ORDER_FIELDS_ADDRESS=1 %}class="required"{% ENDIF %}>{ORDER_FORM_DELIVERY_ADDRESS}</textarea>
		 </div>
		 </li>
	 {% ENDIF %}

<script type="text/javascript" src="https://cdn.jsdelivr.net/jquery.suggestions/16.5.1/js/jquery.suggestions.min.js"></script>
<script type="text/javascript">
$("#quickDeliveryAddress").suggestions({
	 serviceUrl: "https://suggestions.dadata.ru/suggestions/api/4_1/rs",
	 token: "ВАШ API-КЛЮЧ",
	 type: "ADDRESS",
	 /* Вызывается, когда пользователь выбирает одну из подсказок */
	 onSelect: function(suggestion) {
		 console.log(suggestion);
	 }
});
</script>