code: public OvhPcsFile billingAccount_historyConsumption_date_file_GET(String billingAccount, java.util.Date date, OvhBillDocument extension) throws IOException {
  		String qPath = "/telephony/{billingAccount}/historyConsumption/{date}/file";
  		StringBuilder sb = path(qPath, billingAccount, date);
  		query(sb, "extension", extension);
  		String resp = exec(qPath, "GET", sb.toString(), null);
  		return convertTo(resp, OvhPcsFile.class);
  	}
docs: Previous billed consumption files
  
  REST: GET /telephony/{billingAccount}/historyConsumption/{date}/file
  @param extension [required] Document suffix
  @param billingAccount [required] The name of your billingAccount
  @param date [required]