AWS SDK for .NET Documentation
DefaultTaskStartToCloseTimeout Property
AmazonAmazon.SimpleWorkflow.ModelActivityTypeConfigurationDefaultTaskStartToCloseTimeout Did this page help you?   Yes   No    Tell us about it...
The optional default maximum duration for tasks of an activity type specified when registering the activity type. You can override this default when scheduling a task through the ScheduleActivityTaskDecision. 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 DefaultTaskStartToCloseTimeout { get; set; }

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