The period of time in seconds for which Amazon SQS will retain a message.

File: AWS.SQS.pas 

Namespace: AWS.SQS 

Module: Appercept AWS SDK for Delphi 

Valid values range from 60 seconds (1 minute) to 1,209,600 seconds (14 days). When left unset, defaults to 345,600 seconds (4 days).