getAttachment
Provides a pre-signed URL for download of a completed attachment. This is an asynchronous API for use with active contacts.
For security recommendations, see Amazon Connect Chat security best practices.
The participant role
CUSTOM_BOTis not permitted to access attachments customers may upload. AnAccessDeniedExceptioncan indicate that the participant may be a CUSTOM_BOT, and it doesn't have access to attachments.ConnectionTokenis used for invoking this API instead ofParticipantToken. The Amazon Connect Participant Service APIs do not use Signature Version 4 authentication.