@KeithS17   To use the Watch option in Tracer to monitor a property on the Parameter page follow these steps: 1. Open the Tracer tool and click on the 'Watch' button in the toolbar. 2. In the 'Page Name' field enter the name of the page that stores the property to watch or enter a parameter for the parameter page. For parameter pages you can use 'PARAM' or 'param' as indicated in the tool tip. 3. Enter the property name without a period in front of it in the 'Property Name' field or select to watch the page for page messages. 4. Click 'Set Watch' to start watching the property. 5. To watch more properties repeat the steps above. 6. If you need to remove a watch variable select the checkbox in the 'Remove' column and click 'Remove'. 7. Click 'Close' to finish setting up the watch variables. If the Tracer does not stop when the desired parameter property value changes ensure that you have correctly specified the page name and property name. Additionally verify that the property you are trying to watch is indeed changing during the trace session.

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Setting watch variables in the Tracer tool

Hi @KeithS17, try this approach

In the Tracer window, click the Watch button. Enter the following information,

Page Name: The name of the parameter page you want to watch. Property Name: The specific property on the parameter page whose value you want to monitor.

Click the Start button to begin tracing. As your application executes, the Tracer will display information about each step, including the values of properties on the current page. If the watched property on the parameter page changes, you will see the new value in the Tracer output.

Use below link for more information:

Tracer Results