processmaker-files/workflow/engine/xmlform/users/users_Search.xml

<?xml version="1.0" encoding="UTF-8"?>
<dynaForm cols="2" name="users_Search" width="100%">
  <USR_COMPLETENAME type="text" dataCompareField="CONCAT(USR_LASTNAME,'_',USR_FIRSTNAME)" dataCompareType="contains">
    <en><![CDATA[Full name]]></en>
  </USR_COMPLETENAME>
  <search type="button" onclick="cU5hVjNxT2lxYVBWNXFUTXdaNnM1bMKwbG9NOA______.doFilter( this.form )">
    <en><![CDATA[Apply Filter]]></en>
  </search>
</dynaForm>