Generates pre-signed URLs for uploading documents. The uploaded documents are kept for 24 hours. For each file, a pre-signed URL is generated. Each pre-signed URL is valid for 5 minutes. The filenames can be used to reference the documents in request payloads. When a document is referenced, Rialto will copy the document to a permanent storage. During the copy operation, a key referencing the document in the final destination will be generated. See the S3 documentation for more information on S3 pre-signed URLs.
The list of filenames for which to generate pre-signed URLs.