[ShurikEv]

Только через веб-сервисы.

function Retrieve(mEntity)
{
  var sXml = "<?xml version=\"1.0\" encoding=\"utf-8\"?>";
  sXml += "<soap:Envelope xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\" xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">";
    sXml += "<soap:Body>";
      sXml += "<entityName xmlns=\"http://schemas.microsoft.com/crm/2006/WebServices\">"+mEntity.get("Name")+"</entityName>";
      sXml += "<id xmlns=\"http://schemas.microsoft.com/crm/2006/WebServices\">"+hParams.get("currentEntityId")+"</id>";
      sXml += "<columnSet xmlns:q1=\"http://schemas.microsoft.com/crm/2006/Query\" xsi:type=\"q1:ColumnSet\" xmlns=\"http://schemas.microsoft.com/crm/2006/WebServices\">";
        sXml += "<q1:Attributes>";
        var fields = mEntity.get("Fields");
        var fKeys = fields.keys();
        for (var i=0; i<fKeys.length; i++)
        {
          if (fields.get(fKeys[i]).get("schema") != null)
            sXml += "<q1:Attribute>" + fields.get(fKeys[i]).get("schema") + "</q1:Attribute>";
        }
        sXml += "</q1:Attributes>";
      sXml += "</columnSet>";
    sXml += "</soap:Body>";
  sXml += "</soap:Envelope>";

  var oXmlHttp = new ActiveXObject("Msxml2.XMLHTTP");
  oXmlHttp.Open("POST", "/MsCrmServices/2006/CrmService.asmx", false);
  oXmlHttp.setRequestHeader("SOAPAction", "http://schemas.microsoft.com/crm/2006/WebServices/Retrieve");
  oXmlHttp.setRequestHeader("Content-Type", "text/xml; charset=utf-8");
  oXmlHttp.setRequestHeader("Content-Length", sXml.length);
  oXmlHttp.send(sXml);

  if(oXmlHttp.responseXML != null)
    return oXmlHttp.responseXML.selectSingleNode("/soap:Envelope/soap:Body/RetrieveResult");
  
  return null;
}

Это в качестве примера. mEntity - мой массив