> ## Documentation Index
> Fetch the complete documentation index at: https://www.algolia.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Assign multiple userIDs

> Assigns multiple user IDs to a cluster.

<Warning>This method is **deprecated.**</Warning>

**Requires Admin API key**

**You can't move users with this operation**.

## Usage

<CodeGroup>
  ```cs C# theme={"system"}
  // Initialize the client
  var client = new SearchClient(new SearchConfig("ALGOLIA_APPLICATION_ID", "ALGOLIA_API_KEY"));

  // Call the API
  var response = await client.BatchAssignUserIdsAsync(
    "userID",
    new BatchAssignUserIdsParams
    {
      Cluster = "theCluster",
      Users = new List<string> { "user1", "user2" },
    }
  );

  // print the response
  Console.WriteLine(response);
  ```

  ```dart Dart theme={"system"}
  // Initialize the client
  final client =
      SearchClient(appId: 'ALGOLIA_APPLICATION_ID', apiKey: 'ALGOLIA_API_KEY');

  // Call the API
  final response = await client.batchAssignUserIds(
    xAlgoliaUserID: "userID",
    batchAssignUserIdsParams: BatchAssignUserIdsParams(
      cluster: "theCluster",
      users: [
        "user1",
        "user2",
      ],
    ),
  );

  // print the response
  print(response);
  ```

  ```go Go theme={"system"}
  // Initialize the client
  client, err := search.NewClient("ALGOLIA_APPLICATION_ID", "ALGOLIA_API_KEY")
  if err != nil {
    // The client can fail to initialize if you pass an invalid parameter.
    panic(err)
  }

  // Call the API
  response, err := client.BatchAssignUserIds(client.NewApiBatchAssignUserIdsRequest(
    "userID",
    search.NewEmptyBatchAssignUserIdsParams().SetCluster("theCluster").SetUsers(
      []string{"user1", "user2"})))
  if err != nil {
    // handle the eventual error
    panic(err)
  }


  // print the response
  print(response)
  ```

  ```java Java theme={"system"}
  // Initialize the client
  SearchClient client = new SearchClient("ALGOLIA_APPLICATION_ID", "ALGOLIA_API_KEY");

  // Call the API
  CreatedAtResponse response = client.batchAssignUserIds(
    "userID",
    new BatchAssignUserIdsParams().setCluster("theCluster").setUsers(Arrays.asList("user1", "user2"))
  );

  // print the response
  System.out.println(response);
  ```

  ```js JavaScript theme={"system"}
  // Initialize the client
  const client = algoliasearch('ALGOLIA_APPLICATION_ID', 'ALGOLIA_API_KEY');

  // Call the API
  const response = await client.batchAssignUserIds({
    xAlgoliaUserID: 'userID',
    batchAssignUserIdsParams: { cluster: 'theCluster', users: ['user1', 'user2'] },
  });


  // print the response
  console.log(response);
  ```

  ```kotlin Kotlin theme={"system"}
  // Initialize the client
  val client = SearchClient(appId = "ALGOLIA_APPLICATION_ID", apiKey = "ALGOLIA_API_KEY")

  // Call the API
  var response =
    client.batchAssignUserIds(
      xAlgoliaUserID = "userID",
      batchAssignUserIdsParams =
        BatchAssignUserIdsParams(cluster = "theCluster", users = listOf("user1", "user2")),
    )


  // print the response
  println(response)
  ```

  ```php PHP theme={"system"}
  // Initialize the client
  $client = SearchClient::create('ALGOLIA_APPLICATION_ID', 'ALGOLIA_API_KEY');

  // Call the API
  $response = $client->batchAssignUserIds(
      'userID',
      ['cluster' => 'theCluster',
          'users' => [
              'user1',

              'user2',
          ],
      ],
  );


  // print the response
  var_dump($response);
  ```

  ```python Python theme={"system"}
  # Initialize the client
  # In an asynchronous context, you can use SearchClient instead, which exposes the exact same methods.
  client = SearchClientSync("ALGOLIA_APPLICATION_ID", "ALGOLIA_API_KEY")

  # Call the API
  response = client.batch_assign_user_ids(
      x_algolia_user_id="userID",
      batch_assign_user_ids_params={
          "cluster": "theCluster",
          "users": [
              "user1",
              "user2",
          ],
      },
  )


  # print the response
  print(response)
  ```

  ```ruby Ruby theme={"system"}
  # Initialize the client
  client = Algolia::SearchClient.create("ALGOLIA_APPLICATION_ID", "ALGOLIA_API_KEY")

  # Call the API
  response = client.batch_assign_user_ids(
    "userID",
    Algolia::Search::BatchAssignUserIdsParams.new(cluster: "theCluster", users: ["user1", "user2"])
  )


  # print the response
  puts(response)
  ```

  ```scala Scala theme={"system"}
  // Initialize the client
  val client = SearchClient(appId = "ALGOLIA_APPLICATION_ID", apiKey = "ALGOLIA_API_KEY")

  // Call the API
  val response = Await.result(
    client.batchAssignUserIds(
      xAlgoliaUserID = "userID",
      batchAssignUserIdsParams = BatchAssignUserIdsParams(
        cluster = "theCluster",
        users = Seq("user1", "user2")
      )
    ),
    Duration(100, "sec")
  )

  // print the response
  println(response)
  ```

  ```swift Swift theme={"system"}
  // Initialize the client
  let client = try SearchClient(appID: "ALGOLIA_APPLICATION_ID", apiKey: "ALGOLIA_API_KEY")

  // Call the API
  let response = try await client.batchAssignUserIds(
      xAlgoliaUserID: "userID",
      batchAssignUserIdsParams: BatchAssignUserIdsParams(cluster: "theCluster", users: ["user1", "user2"])
  )

  // print the response
  print(response)
  ```
</CodeGroup>

<Card icon="folder-code" horizontal="true" title="See the full API reference" arrow="true" href="/doc/rest-api/search/batch-assign-user-ids">
  For more details about input parameters
  and response fields.
</Card>