Resolved in Version 10.0.19.0
Bug: If you add a new parameter and set the Type property, you won’t see an preview of it until you add another parameter. Additionally, if you change the Type (after the second parameter is created), the preview disappears. You can see the preview if you switch to another parameter, then back.
Steps to reproduce:
1. Add a parameter
2. Change the Type of the Parameter from Value to anything else.
Expected Result: The Previewer would update to the correct Type of parameter.
Actual Result: Preview does not update until another parameter is added.