AWS SDK for .NET Documentation
Control Property
AmazonAmazon.SimpleWorkflow.ModelStartChildWorkflowExecutionDecisionAttributesControl Did this page help you?   Yes   No    Tell us about it...
Optional data attached to the event that can be used by the decider in subsequent workflow tasks. This data is not sent to the child workflow execution.

Constraints:

Length
0 - 32768

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

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