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
public string ExecutionStartToCloseTimeout { get; set; }Assembly: 
AWSSDK (Module: AWSSDK) Version: 1.5.60.0 (1.5.60.0)