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</o:shapelayout></xml><![endif]--></head><body lang=ES link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=EN-US>Hello,<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you very much, Markus, for your answer.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>For me a callback URL is not really needed. Actively poll the download request status may be an acceptable solution as well.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>The problem is more in interactivity: as I understand, using asynchronous service does not allow us to show some kind of “progress” to the user, which seems to us convenient particularly on large downloads. Using synchronous paging service, we can show to the user the download progress.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Maybe using the call </span><span lang=EN-US style='font-size:10.0pt;font-family:"Helvetica",sans-serif;color:#666666;background:#F9F9F9'>/occurrence/download/{key} </span><span lang=EN-US>iteratively we could obtain some kind of “percent of completion” information, until the request is completed?<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>(Sorry, I still don’t tested the asynchronous service; only the synchronous one).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thank you very much.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>E. Garcia<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p></div></body></html>