AWS SDK for .NET Documentation
TimerId Property
AmazonAmazon.SimpleWorkflow.ModelTimerCanceledEventAttributesTimerId Did this page help you?   Yes   No    Tell us about it...
The unique Id of the timer that was canceled.

Constraints:

Length
1 - 256

Declaration Syntax
C#
public string TimerId { get; set; }

Assembly: AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)