AWS SDK for .NET Documentation
ExecutionStartToCloseTimeout Property
AmazonAmazon.SimpleWorkflow.ModelWorkflowExecutionStartedEventAttributesExecutionStartToCloseTimeout Did this page help you?   Yes   No    Tell us about it...
The maximum duration for this workflow execution. The valid values are integers greater than or equal to 0. An integer value can be used to specify the duration in seconds while NONE can be used to specify unlimited duration.

Constraints:

Length
0 - 8

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

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