LeadId = 4857358000014515001;
resp = zoho.crm.getRecordById("Leads",LeadId);
file = resp.get("Upload_Test");
filelist = List();
if(file != null)
{
    file_Id = resp.get("Upload_Test").get(0).get("file_Id");
    getFile = invokeurl
    [
        url :"https://www.zohoapis.com/crm/v7/files?id=" + file_Id
        type :GET
        connection:"crm_oauth_connection"
    ];
    response = zoho.crm.attachFile("Leads",LeadId,getFile);
    for each  rec in file
    {
        fileid = rec.get("attachment_Id");
        mp = Map();
        mp.put("attachment_id",fileid);
        mp.put("_delete",null);
        filelist.add(mp);
    }
    info filelist;
    update = zoho.crm.updateRecord("Leads",LeadId,{"Upload_Test":filelist});
    info update;
    returntext = "File moved succesfully";
}
else
{
    returntext = "File Not Found";
}
return returntext;
// return "";