ID пользователя сайта в xml item

<site_users_id>5</site_users_id>

   <item id="169" group="19">
      <captcha_key>87715</captcha_key>
      <name>Моя работа</name>
      <show_count>16</show_count>
      <saller>0</saller>
      <marking_of_goods></marking_of_goods>
      <description></description>
      <date>09.03.2010</date>
      <datetime>09.03.2010 09:51:12</datetime>
      <time>09:51:12</time>
      <putoff_date>00.00.0000 00:00:00</putoff_date>
      <putend_date>00.00.0000 00:00:00</putend_date>
      <type>0</type>
      <weight>0</weight>
      <weight_mesure>боб</weight_mesure>
      <rest>1</rest>
      <mesure></mesure>
      <shop_tax_id>0</shop_tax_id>
      <price>1.00</price>
      <price_tax>1.00</price_tax>
      <price_discount>1.00</price_discount>
      <item_currency>руб.</item_currency>
      <currency>руб.</currency>
      <is_active>1</is_active>
      <order>0</order>
      <path>item_169</path>
      <fullpath>foto/</fullpath>
      <seo_title>Моя работа</seo_title>
      <seo_description>Моя работа</seo_description>
      <seo_keywords>Моя работа</seo_keywords>
      <indexation>1</indexation>
      <vendorCode></vendorCode>
      <shop_items_cml_id></shop_items_cml_id>
      <property id="4" dir_id="0" xml_name="fio">
         <name>ФИО</name>
         <xml_name>fio</xml_name>
         <type>0</type>
         <order>10</order>
         <prefics>f</prefics>
         <value>ФИО</value>
      <mesure>боб</mesure></property>
      <shop_special_prices>
      </shop_special_prices>
   </item>