code: public void sladd(final byte[] keyspace, final byte[] uid, final byte[] serviceCode, final byte[] key,
                        final long expireMillis, final byte[]... values) {
          final byte[][] params = toByteArrays(keyspace, uid, serviceCode, key, expireMillis, values);
          sendCommand(Command.S3LADD, params);
      }
docs: Sladd.
  
  @param keyspace     the keyspace
  @param uid          the uid
  @param serviceCode  the service code
  @param key          the key
  @param expireMillis the expire millis
  @param values       the values