AWS SDK for .NET Documentation
DefaultTaskStartToCloseTimeout Property
AmazonAmazon.SimpleWorkflow.ModelRegisterActivityTypeRequestDefaultTaskStartToCloseTimeout Did this page help you?   Yes   No    Tell us about it...
If set, specifies the default maximum duration that a worker can take to process tasks of this activity type. This default can be overridden when scheduling an activity task using 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)