---
name: "mongoc_gridfs_bucket_open_download_stream"
section: "3"
platform: "linux"
package: "libmongoc-doc"
version: "1.30.4-1+deb13u3"
release: "Debian 13 (Trixie)"
platforms: ["linux"]
url: "https://new.carta.tech/mongoc_gridfs_bucket_open_download_stream"
---

# mongoc\_gridfs\_bucket\_open\_download\_stream(3)

## SYNOPSIS

```
mongoc_stream_t *
mongoc_gridfs_bucket_open_download_stream (mongoc_gridfs_bucket_t *bucket,
                                           const bson_value_t *file_id,
                                           bson_error_t *error);
```

## PARAMETERS

- •

  **bucket**: A *mongoc\_gridfs\_bucket\_t*.

- •

  **file\_id**: A *bson\_value\_t* of the id of the file to download.

- •

  **error**: A *bson\_error\_t* to receive any error or **NULL**.

## DESCRIPTION

Opens a stream for reading a file from GridFS.

## RETURNS

A *mongoc\_stream\_t* that can be read from or **NULL** on failure. Errors on this stream can be retrieved with *mongoc\_gridfs\_bucket\_stream\_error()*.

**SEE ALSO:**

```
mongoc_gridfs_bucket_stream_error()
```

## AUTHOR

MongoDB, Inc

## COPYRIGHT

2009-present, MongoDB, Inc.