# MultipartUpload
<a name="API_MultipartUpload"></a>

Container for the `MultipartUpload` for the Amazon S3 object.

## Contents
<a name="API_MultipartUpload_Contents"></a>

 ** ChecksumAlgorithm **   <a name="AmazonS3-Type-MultipartUpload-ChecksumAlgorithm"></a>
The algorithm that was used to create a checksum of the object.  
Type: String  
Valid Values: `CRC32 | CRC32C | SHA1 | SHA256 | CRC64NVME`   
Required: No

 ** ChecksumType **   <a name="AmazonS3-Type-MultipartUpload-ChecksumType"></a>
The checksum type that is used to calculate the object’s checksum value. For more information, see [Checking object integrity](https://docs.aws.amazon.com/AmazonS3/latest/userguide/checking-object-integrity.html) in the *Amazon S3 User Guide*.  
Type: String  
Valid Values: `COMPOSITE | FULL_OBJECT`   
Required: No

 ** Initiated **   <a name="AmazonS3-Type-MultipartUpload-Initiated"></a>
Date and time at which the multipart upload was initiated.  
Type: Timestamp  
Required: No

 ** Initiator **   <a name="AmazonS3-Type-MultipartUpload-Initiator"></a>
Identifies who initiated the multipart upload.  
Type: [Initiator](API_Initiator.md) data type  
Required: No

 ** Key **   <a name="AmazonS3-Type-MultipartUpload-Key"></a>
Key of the object for which the multipart upload was initiated.  
Type: String  
Length Constraints: Minimum length of 1.  
Required: No

 ** Owner **   <a name="AmazonS3-Type-MultipartUpload-Owner"></a>
Specifies the owner of the object that is part of the multipart upload.   
 **Directory buckets** - The bucket owner is returned as the object owner for all the objects.
Type: [Owner](API_Owner.md) data type  
Required: No

 ** StorageClass **   <a name="AmazonS3-Type-MultipartUpload-StorageClass"></a>
The class of storage used to store the object.  
 **Directory buckets** - Directory buckets only support `EXPRESS_ONEZONE` (the S3 Express One Zone storage class) in Availability Zones and `ONEZONE_IA` (the S3 One Zone-Infrequent Access storage class) in Dedicated Local Zones.
Type: String  
Valid Values: `STANDARD | REDUCED_REDUNDANCY | STANDARD_IA | ONEZONE_IA | INTELLIGENT_TIERING | GLACIER | DEEP_ARCHIVE | OUTPOSTS | GLACIER_IR | SNOW | EXPRESS_ONEZONE | FSX_OPENZFS | FSX_ONTAP`   
Required: No

 ** UploadId **   <a name="AmazonS3-Type-MultipartUpload-UploadId"></a>
Upload ID that identifies the multipart upload.  
Type: String  
Required: No

## See Also
<a name="API_MultipartUpload_SeeAlso"></a>

For more information about using this API in one of the language-specific AWS SDKs, see the following:
+  [AWS SDK for C\$1\$1](https://docs.aws.amazon.com/goto/SdkForCpp/s3-2006-03-01/MultipartUpload) 
+  [AWS SDK for Java V2](https://docs.aws.amazon.com/goto/SdkForJavaV2/s3-2006-03-01/MultipartUpload) 
+  [AWS SDK for Ruby V3](https://docs.aws.amazon.com/goto/SdkForRubyV3/s3-2006-03-01/MultipartUpload)