An object consists of data and its descriptive metadata.
ContentsThe algorithm that was used to create a checksum of the object.
Type: Array of strings
Valid Values: CRC32 | CRC32C | SHA1 | SHA256 | CRC64NVME
Required: No
The checksum type that is used to calculate the objectâs checksum value. For more information, see Checking object integrity in the Amazon S3 User Guide.
Type: String
Valid Values: COMPOSITE | FULL_OBJECT
Required: No
The entity tag is a hash of the object. The ETag reflects changes only to the contents of an object, not its metadata. The ETag may or may not be an MD5 digest of the object data. Whether or not it is depends on how the object was created and how it is encrypted as described below:
Objects created by the PUT Object, POST Object, or Copy operation, or through the AWS Management Console, and are encrypted by SSE-S3 or plaintext, have ETags that are an MD5 digest of their object data.
Objects created by the PUT Object, POST Object, or Copy operation, or through the AWS Management Console, and are encrypted by SSE-C or SSE-KMS, have ETags that are not an MD5 digest of their object data.
If an object is created by either the Multipart Upload or Part Copy operation, the ETag is not an MD5 digest, regardless of the method of encryption. If an object is larger than 16 MB, the AWS Management Console will upload or copy that object as a Multipart Upload, and therefore the ETag will not be an MD5 digest.
Directory buckets - MD5 is not supported by directory buckets.
Type: String
Required: No
The name that you assign to an object. You use the object key to retrieve the object.
Type: String
Length Constraints: Minimum length of 1.
Required: No
Creation date of the object.
Type: Timestamp
Required: No
The owner of the object
NoteDirectory buckets - The bucket owner is returned as the object owner.
Type: Owner data type
Required: No
Specifies the restoration status of an object. Objects in certain storage classes must be restored before they can be retrieved. For more information about these storage classes and how to work with archived objects, see Working with archived objects in the Amazon S3 User Guide.
NoteThis functionality is not supported for 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: RestoreStatus data type
Required: No
Size in bytes of the object
Type: Long
Required: No
The class of storage used to store the object.
NoteDirectory 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 | GLACIER | STANDARD_IA | ONEZONE_IA | INTELLIGENT_TIERING | DEEP_ARCHIVE | OUTPOSTS | GLACIER_IR | SNOW | EXPRESS_ONEZONE | FSX_OPENZFS
Required: No
For more information about using this API in one of the language-specific AWS SDKs, see the following:
NotificationConfigurationFilter
ObjectIdentifier
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