External event activities that needs input from an user through an UI when clicking on a task should be marked with this attribute and have Url to usercontrol specified. It is possible to specify a usercontrol for a task by setting property AssociatedActivity to a activity with this attribute. The given usercontrol should implement IWorkflowTaskControl

Namespace:  EPiServer.WorkflowFoundation.UI
Assembly:  EPiServer.WorkflowFoundation (in EPiServer.WorkflowFoundation.dll) Version: 5.2.375.236

Syntax

C#
[AttributeUsageAttribute(AttributeTargets.Class)]
public sealed class ActivityPlugInAttribute : GuiPlugInAttribute

Remarks

The usercontrol should be deployed to given Url before workflow is used.

Examples

Shows how attribute can be set on custom activity
CopyC#
[ActivityPlugIn(
    Area = EPiServer.PlugIn.PlugInArea.None, 
    UrlFromUtil = "plugins/CustomActivity.ascx")]
public sealed class CustomActivity : HandleExternalEventActivity
{
}

Inheritance Hierarchy

System..::.Object
  System..::.Attribute
    EPiServer.PlugIn..::.PlugInAttribute
      EPiServer.PlugIn..::.GuiPlugInAttribute
        EPiServer.WorkflowFoundation.UI..::.ActivityPlugInAttribute

See Also