Allow to select fields in anwser

Availble in version 3 and above

for an example

<?xml version='1.0'?>
<mds>
    <auth>
        <login></login>
        <pass></pass>
    </auth>
   <request>
      <selectAnswerFields>obj_thumb,obj_xDistBeach,ofr_id,trp_durationM,obj_descUrl</selectAnswerFields>
     <type>offers</type>
     <conditions>
     </conditions>
   </request>
</mds>
 
 
<response>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d6a782f622288872f0131bfaa1787ad94"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d528c25da1d2f311170816edffd2a6d52"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d16b81193e018d5e057c8ec2ac1d9d8b5"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d8b8bc81c90c3a4e391937001b818fe80"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3ddf257009a5eec1b0878c244d52e7f051"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d276c0c7ce43380ec97612b9e01cd9278"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d9946cdde7a79374e5662caf1da90af8c"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3dbce1e6fe89b19fe019acb5e892acc12e"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3dd73bd5dd475d24b92192ba2d8c113216"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
  <ofr id="a9fd2d13fad3cb3de75ea8f1bc6e1b3d1316641b3362e89ad2d756beb2944ab0"><obj xDistBeach="87521"/><trp durationM="1"/></ofr>
<count>11</count></response>