OpenIntegrations/docs/en/md/S3/Objects-management/Upload-object-part.mdx

---
sidebar_position: 4
---

import Tabs from '@theme/Tabs';
import TabItem from '@theme/TabItem';

# Upload object part
 Uploads a part of an object for multipart uploading



`Function UploadObjectPart(Val Name, Val Bucket, Val BasicData, Val UploadID, Val PartNumber, Val Data, Val Headers = Undefined) Export`

  | Parameter | CLI option | Type | Required | Description |
  |-|-|-|-|-|
  | Name | --name | String | ✔ | Name of the object in the bucket |
  | Bucket | --bucket | String | ✔ | Name of the bucket to put the object |
  | BasicData | --basic | Structure of KeyAndValue | ✔ | Basic request data. See GetBasicDataStructure |
  | UploadID | --upload | String | ✔ | Upload ID. See InitPartsUpload |
  | PartNumber | --part | Number, String | ✔ | Number of the object part from 1 to 10000 |
  | Data | --content | BinaryData, String | ✔ | Part content for uploading |
  | Headers | --headers | Map Of KeyAndValue | ✖ | Additional request headers, if necessary |

  
  Returns:  Structure of KeyAndValue - serialized JSON response from storage

<br/>

:::tip
Method at AWS documentation: [UploadPart](https://docs.aws.amazon.com/AmazonS3/latest/API/API_UploadPart.html)

This is a service method. A `PutObject` method is intended for the common scenario of files uploading

Parameters with Binary data type can also accept file paths on disk and URLs
:::
<br/>


```bsl title="1C:Enterprise/OneScript code example"
    URL       = "storage-155.s3hoster.by";
    AccessKey = "BRN5RKJE67...";
    SecretKey = "NNhv+i9PrytpT8Tu0C1N...";
    Region    = "BTC";

    BasicData = OPI_S3.GetBasicDataStructure(URL, AccessKey, SecretKey, Region);

    Name   = "fileChunked.mp3";
    Bucket = "opi-gpbucket3";

    Entity = "https://api.athenaeum.digital/test_data/song.mp3"; // URL, Path or Binary Data
    Entity = OPI_Tools.Get(Entity);

    Result = OPI_S3.InitPartsUpload(Name, Bucket, BasicData);

    UploadID   = Result["response"]["InitiateMultipartUploadResult"]["UploadId"];
    TotalSize  = Entity.Size();
    ChunkSize  = 5242880;
    BytesRead  = 0;
    PartNumber = 1;

    DataReader   = New DataReader(Entity);
    SourceStream = DataReader.SourceStream();
    TagsArray    = New Array;

    WHile BytesRead < TotalSize Do

        CurrentReading = DataReader.Read(ChunkSize);
        CurrentData    = CurrentReading.GetBinaryData();

        If CurrentData.Size() = 0 Then
            Break;
        EndIf;

        Result = OPI_S3.UploadObjectPart(Name, Bucket, BasicData, UploadID, PartNumber,
            CurrentData);

        // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

        BytesRead = SourceStream.CurrentPosition();
        TagsArray.Add(Result["headers"]["Etag"]);

        PartNumber = PartNumber + 1;

    EndDo;

    Result = OPI_S3.FinishPartsUpload(Name, Bucket, BasicData, UploadID, TagsArray);
```