AWS SDK for .NET Documentation
TagList Property
AmazonAmazon.SimpleWorkflow.ModelStartChildWorkflowExecutionDecisionAttributesTagList Did this page help you?   Yes   No    Tell us about it...
The list of tags to associate with the child workflow execution. A maximum of 5 tags can be specified. You can list workflow executions with a specific tag by calling ListOpenWorkflowExecutions or ListClosedWorkflowExecutions and specifying a TagFilter.

Constraints:

Length
0 - 5

Declaration Syntax
C#
public List<string> TagList { get; set; }

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