AWS SDK for .NET Documentation
ExecutionStartToCloseTimeout Property
AmazonAmazon.SimpleWorkflow.ModelStartChildWorkflowExecutionDecisionAttributesExecutionStartToCloseTimeout Did this page help you?   Yes   No    Tell us about it...
The total duration for this workflow execution. This overrides the defaultExecutionStartToCloseTimeout specified when registering the workflow type. 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.
Note:
An execution start-to-close timeout for this workflow execution must be specified either as a default for the workflow type or through this parameter. If neither this parameter is set nor a default execution start-to-close timeout was specified at registration time then a fault will be returned.

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)