code: public static MozuUrl getExtendedPropertiesUrl(Boolean draft, String orderId)
  	{
  		UrlFormatter formatter = new UrlFormatter("/api/commerce/orders/{orderId}/extendedproperties?draft={draft}");
  		formatter.formatUrl("draft", draft);
  		formatter.formatUrl("orderId", orderId);
  		return new MozuUrl(formatter.getResourceUrl(), MozuUrl.UrlLocation.TENANT_POD) ;
  	}
docs: Get Resource Url for GetExtendedProperties
  @param draft If true, retrieve the draft version of the order, which might include uncommitted changes to the order or its components.
  @param orderId Unique identifier of the order.
  @return   String Resource Url