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New API Documentation - Developer Preview Available

We are excited to announce the developer preview of our new API documentation for AWS SDK for JavaScript v3. Please follow instructions on the landing page to leave us your feedback.

Interface Initiator

Container element that identifies who initiated the multipart upload.


  • Initiator



DisplayName?: string

Name of the Principal.

ID?: string

If the principal is an Amazon Web Services account, it provides the Canonical User ID. If the principal is an IAM User, it provides a user ARN value.