# phpman > perldoc > MongoDB::UnacknowledgedResult

## NAME
    [MongoDB::UnacknowledgedResult](https://www.chedong.com/phpMan.php/perldoc/MongoDB%3A%3AUnacknowledgedResult/markdown) - MongoDB unacknowledged result object

## VERSION
    version v2.2.2

## SYNOPSIS
        if ( $result->acknowledged ) {
            ...
        }

## DESCRIPTION
    This class represents an unacknowledged result, i.e. with write concern of "w => 0". No
    additional information is available and no other methods should be called on it.

## METHODS
  acknowledged
    Indicates whether this write result was acknowledged. Always false for this class.

## AUTHORS
    *   David Golden <<david@mongodb.com>>

    *   Rassi <<rassi@mongodb.com>>

    *   Mike Friedman <<friedo@friedo.com>>

    *   Kristina Chodorow <<k.chodorow@gmail.com>>

    *   Florian Ragwitz <<rafl@debian.org>>

## COPYRIGHT AND LICENSE
    This software is Copyright (c) 2020 by MongoDB, Inc.

    This is free software, licensed under:

      The Apache License, Version 2.0, January 2004