## List Session Resources

`ResourceListPageResponse Beta.Sessions.Resources.List(ResourceListParamsparameters, CancellationTokencancellationToken = default)`

**get** `/v1/sessions/{session_id}/resources`

List Session Resources

### Parameters

- `ResourceListParams parameters`

  - `required string sessionID`

    Path param: Path parameter session_id

  - `Int limit`

    Query param: Maximum number of resources to return per page (max 1000). If omitted, returns all resources.

  - `string page`

    Query param: Opaque cursor from a previous response's next_page field.

  - `IReadOnlyList<AnthropicBeta> betas`

    Header param: Optional header to specify the beta version(s) you want to use.

    - `"message-batches-2024-09-24"MessageBatches2024_09_24`

    - `"prompt-caching-2024-07-31"PromptCaching2024_07_31`

    - `"computer-use-2024-10-22"ComputerUse2024_10_22`

    - `"computer-use-2025-01-24"ComputerUse2025_01_24`

    - `"pdfs-2024-09-25"Pdfs2024_09_25`

    - `"token-counting-2024-11-01"TokenCounting2024_11_01`

    - `"token-efficient-tools-2025-02-19"TokenEfficientTools2025_02_19`

    - `"output-128k-2025-02-19"Output128k2025_02_19`

    - `"files-api-2025-04-14"FilesApi2025_04_14`

    - `"mcp-client-2025-04-04"McpClient2025_04_04`

    - `"mcp-client-2025-11-20"McpClient2025_11_20`

    - `"dev-full-thinking-2025-05-14"DevFullThinking2025_05_14`

    - `"interleaved-thinking-2025-05-14"InterleavedThinking2025_05_14`

    - `"code-execution-2025-05-22"CodeExecution2025_05_22`

    - `"extended-cache-ttl-2025-04-11"ExtendedCacheTtl2025_04_11`

    - `"context-1m-2025-08-07"Context1m2025_08_07`

    - `"context-management-2025-06-27"ContextManagement2025_06_27`

    - `"model-context-window-exceeded-2025-08-26"ModelContextWindowExceeded2025_08_26`

    - `"skills-2025-10-02"Skills2025_10_02`

    - `"fast-mode-2026-02-01"FastMode2026_02_01`

    - `"output-300k-2026-03-24"Output300k2026_03_24`

    - `"user-profiles-2026-03-24"UserProfiles2026_03_24`

    - `"advisor-tool-2026-03-01"AdvisorTool2026_03_01`

    - `"managed-agents-2026-04-01"ManagedAgents2026_04_01`

    - `"cache-diagnosis-2026-04-07"CacheDiagnosis2026_04_07`

    - `"thinking-token-count-2026-05-13"ThinkingTokenCount2026_05_13`

    - `"server-side-fallback-2026-06-01"ServerSideFallback2026_06_01`

    - `"fallback-credit-2026-06-01"FallbackCredit2026_06_01`

### Returns

- `class ResourceListPageResponse:`

  Paginated list of resources attached to a session.

  - `required IReadOnlyList<BetaManagedAgentsSessionResource> Data`

    Resources for the session, ordered by `created_at`.

    - `class BetaManagedAgentsGitHubRepositoryResource:`

      - `required string ID`

      - `required DateTimeOffset CreatedAt`

        A timestamp in RFC 3339 format

      - `required string MountPath`

      - `required Type Type`

        - `"github_repository"GitHubRepository`

      - `required DateTimeOffset UpdatedAt`

        A timestamp in RFC 3339 format

      - `required string Url`

      - `Checkout? Checkout`

        - `class BetaManagedAgentsBranchCheckout:`

          - `required string Name`

            Branch name to check out.

          - `required Type Type`

            - `"branch"Branch`

        - `class BetaManagedAgentsCommitCheckout:`

          - `required string Sha`

            Full commit SHA to check out.

          - `required Type Type`

            - `"commit"Commit`

    - `class BetaManagedAgentsFileResource:`

      - `required string ID`

      - `required DateTimeOffset CreatedAt`

        A timestamp in RFC 3339 format

      - `required string FileID`

      - `required string MountPath`

      - `required Type Type`

        - `"file"File`

      - `required DateTimeOffset UpdatedAt`

        A timestamp in RFC 3339 format

    - `class BetaManagedAgentsMemoryStoreResource:`

      A memory store attached to an agent session.

      - `required string MemoryStoreID`

        The memory store ID (memstore_...). Must belong to the caller's organization and workspace.

      - `required Type Type`

        - `"memory_store"MemoryStore`

      - `Access? Access`

        Access mode for an attached memory store.

        - `"read_write"ReadWrite`

        - `"read_only"ReadOnly`

      - `string Description`

        Description of the memory store, snapshotted at attach time. Rendered into the agent's system prompt. Empty string when the store has no description.

      - `string? Instructions`

        Per-attachment guidance for the agent on how to use this store. Rendered into the memory section of the system prompt. Max 4096 chars.

      - `string? MountPath`

        Filesystem path where the store is mounted in the session container, e.g. /mnt/memory/user-preferences. Derived from the store's name. Output-only.

      - `string? Name`

        Display name of the memory store, snapshotted at attach time. Later edits to the store's name do not propagate to this resource.

  - `string? NextPage`

    Opaque cursor for the next page. Null when no more results.

### Example

```csharp
ResourceListParams parameters = new()
{
    SessionID = "sesn_011CZkZAtmR3yMPDzynEDxu7"
};

var page = await client.Beta.Sessions.Resources.List(parameters);
await foreach (var item in page.Paginate())
{
    Console.WriteLine(item);
}
```

#### Response

```json
{
  "data": [
    {
      "id": "sesrsc_011CZkZBJq5dWxk9fVLNcPht",
      "created_at": "2026-03-15T10:00:00Z",
      "file_id": "file_011CNha8iCJcU1wXNR6q4V8w",
      "mount_path": "/uploads/receipt.pdf",
      "type": "file",
      "updated_at": "2026-03-15T10:00:00Z"
    },
    {
      "id": "sesrsc_011CZkZCKr6eXyl0gWMOdQiu",
      "created_at": "2026-03-15T10:00:00Z",
      "mount_path": "/workspace/example-repo",
      "type": "github_repository",
      "updated_at": "2026-03-15T10:00:00Z",
      "url": "https://github.com/example-org/example-repo",
      "checkout": {
        "name": "main",
        "type": "branch"
      }
    }
  ],
  "next_page": "page_MjAyNS0wNS0xNFQwMDowMDowMFo="
}
```
