Builder

The unique identifier of the attachment for which to retrieve a download link. Attachment IDs are returned in the AttachmentDetails objects in the attachments field of a Communication returned by DescribeCommunications or DescribeCases.

Specifies whether to validate the request without actually returning a download link. When set to true, the request is validated but no URL is returned, and the operation returns a DryRunOperationException. When omitted or set to false, the request runs normally.