Get External Value <T> Activity


Obtains a cached value from a client application.

Inheritance Hierarchy:



This activity allows a workflow to obtain a value stored in the client application by a Set External Value activity that previously ran in this workflow, or another workflow in the current application.

If a value is not found matching the given key the default value of the selected type T will be provided.

In a Workflow:

You would use this activity if your workflow needs to obtain a value that was stored by a previously run activity in this workflow, or in another workflow.


Name Description

In Arguments


The key of the cached value.


Display Name


You can change the name of an activity to one that describes what it does. A descriptive name can make a workflow easier to interpret and maintain.

External Id

An activity handler within a client can reference this particular activity using this external identifier.

Out Arguments


The cached value returned from the client application.

Version Information:

Supported from: Geocortex Essentials 4.0, Geocortex Viewer for Silverlight 2.0, Geocortex Viewer for HTML5 2.0.