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Returns a presigned download URL for an attachment that is associated with a case
communication. The download link works for an attachment of any size, including attachments
added through AddAttachmentsToSet and attachments uploaded through GetAttachmentUploadLinks.
The download URL is time-limited and expires at the date and time indicated in the
downloadUrl response field. Download the attachment from the URL before it
expires.
You must have an Amazon Web Services Business Support+, Amazon Web Services Enterprise Support, or Amazon Web Services Unified Operations plan to use the Amazon Web Services Support API. If you're in an Amazon Web Services Region that doesn't offer one of these Amazon Web Services Support plans, or if you haven't transitioned to one of these plans, you can use the Amazon Web Services Support API with a Business, Enterprise On-Ramp, or Enterprise Support plan.
If you call the Amazon Web Services Support API from an account that doesn't have
an Amazon Web Services Business Support+, Amazon Web Services Enterprise Support,
or Amazon Web Services Unified Operations plan, the SubscriptionRequiredException
error message appears. For information about changing your support plan, see Amazon
Web Services Support.
This is an asynchronous operation using the standard naming convention for .NET 4.7.2 or higher.
Namespace: Amazon.AWSSupport
Assembly: AWSSDK.AWSSupport.dll
Version: 3.x.y.z
public virtual Task<GetAttachmentDownloadLinkResponse> GetAttachmentDownloadLinkAsync( GetAttachmentDownloadLinkRequest request, CancellationToken cancellationToken )
Container for the necessary parameters to execute the GetAttachmentDownloadLink service method.
A cancellation token that can be used by other objects or threads to receive notice of cancellation.
| Exception | Condition |
|---|---|
| AttachmentIdNotFoundException | An attachment with the specified ID could not be found. |
| DryRunOperationException | The request was valid, but the operation wasn't performed because dryRun was set to true. |
| InternalServerErrorException | An internal server error occurred. |
.NET:
Supported in: 8.0 and newer, Core 3.1
.NET Standard:
Supported in: 2.0
.NET Framework:
Supported in: 4.7.2 and newer