AWS SDK for .NET Documentation
SignalName Property
AmazonAmazon.SimpleWorkflow.ModelWorkflowExecutionSignaledEventAttributesSignalName Did this page help you?   Yes   No    Tell us about it...
The name of the signal received. The decider can use the signal name and inputs to determine how to the process the signal.

Constraints:

Length
1 - 256

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

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