You will need VAST Platform (VA Smalltalk) Version 12.0.0 or later installed on your machine. The VAST Web services feature does not come pre-loaded with the product. To load the feature, choose the Load/Unload features... menu item from the Tools pull down on the Transcript window. In the dialog box, choose

and move them to the right pane using the arrow keys. You may notice that other VAST features also move to the right pane. Web services relies on these features to work. Dismiss the dialog with OK. It may take a minute or two to load this feature.

The Web Services feature comes with examples. Once the feature is loaded, you will notice the application SstWebServicesInsuranceExample is loaded

Now that you have loaded the Web services feature, save your image.

The next section will describe how to go about creating a web service from an existing Smalltalk application.