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<h1><a href="pubsub_v1.html">Cloud Pub/Sub API</a> . <a href="pubsub_v1.projects.html">projects</a> . <a href="pubsub_v1.projects.topics.html">topics</a> . <a href="pubsub_v1.projects.topics.snapshots.html">snapshots</a></h1>
<h2>Instance Methods</h2>
<p class="toc_element">
  <code><a href="#list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</a></code></p>
<p class="firstline">Lists the names of the snapshots on this topic. Snapshots are used in</p>
<p class="toc_element">
  <code><a href="#list_next">list_next(previous_request, previous_response)</a></code></p>
<p class="firstline">Retrieves the next page of results.</p>
<h3>Method Details</h3>
<div class="method">
    <code class="details" id="list">list(topic, pageSize=None, pageToken=None, x__xgafv=None)</code>
  <pre>Lists the names of the snapshots on this topic. Snapshots are used in
[Seek](https://cloud.google.com/pubsub/docs/replay-overview) operations,
which allow you to manage message acknowledgments in bulk. That is, you can
set the acknowledgment state of messages in an existing subscription to the
state captured by a snapshot.

Args:
  topic: string, Required. The name of the topic that snapshots are attached to.
Format is `projects/{project}/topics/{topic}`. (required)
  pageSize: integer, Maximum number of snapshot names to return.
  pageToken: string, The value returned by the last `ListTopicSnapshotsResponse`; indicates
that this is a continuation of a prior `ListTopicSnapshots` call, and
that the system should return the next page of data.
  x__xgafv: string, V1 error format.
    Allowed values
      1 - v1 error format
      2 - v2 error format

Returns:
  An object of the form:

    { # Response for the `ListTopicSnapshots` method.
    &quot;nextPageToken&quot;: &quot;A String&quot;, # If not empty, indicates that there may be more snapshots that match
        # the request; this value should be passed in a new
        # `ListTopicSnapshotsRequest` to get more snapshots.
    &quot;snapshots&quot;: [ # The names of the snapshots that match the request.
      &quot;A String&quot;,
    ],
  }</pre>
</div>

<div class="method">
    <code class="details" id="list_next">list_next(previous_request, previous_response)</code>
  <pre>Retrieves the next page of results.

Args:
  previous_request: The request for the previous page. (required)
  previous_response: The response from the request for the previous page. (required)

Returns:
  A request object that you can call &#x27;execute()&#x27; on to request the next
  page. Returns None if there are no more items in the collection.
    </pre>
</div>

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