Actions35
- Bucket Actions
- IAM Actions
- Object Actions
Object → Create Multipart Upload
AI-generatedSummary
Initiate a multipart upload for a large object in a specified bucket, returning an upload session to support uploading parts independently.
Inputs
- Bucket Name (required) — Specify the name of the bucket where the large object will be uploaded.
- Object Key (required) — Provide the key (path and filename) for the object to be uploaded.
- Content Type — Optionally define the MIME type of the file being uploaded.
Output shape
a response object containing the multipart upload initiation details including upload ID, bucket, and object key
The output includes identifiers needed to upload parts in subsequent requests. No direct file data is returned at this step.