Allows the grantee to write to the object. Bucket and object owners of existing objects are granted deletions and overwrites of those objects.

File: AWS.S3.pas 

Namespace: AWS.S3 

Module: Appercept AWS SDK for Delphi 

The Amazon Simple Storage Service User Guide states that this is not a valid permission to grant on an object but the API reference states it exists. The outcome of using this property is currently unknown.