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Represents an ExternalDataExchangeService interface that enables workflow activities to request actions and handle events concerning workflow tasks, outside the workflow instance itself.
Namespace: Microsoft.SharePoint.Workflow
Assembly: Microsoft.SharePoint (in Microsoft.SharePoint.dll)
Available in Sandboxed Solutions: No
Syntax
'Declaration
<ExternalDataExchangeAttribute> _
<CorrelationParameterAttribute("taskId")> _
Public Interface ITaskService
'Usage
Dim instance As ITaskService
[ExternalDataExchangeAttribute]
[CorrelationParameterAttribute("taskId")]
public interface ITaskService
Remarks
The following workflow activities in the Microsoft.SharePoint.WorkflowActions namespace can be used to call methods provided by this interface:
In addition, the following workflow activities can be used to respond to events raised by this service:
When this service raises an event, the event parameters are contained in the SPTaskServiceEventArgs class.