@GangaR16584219 This can be tricky. You might need to explore the web page itself using the developer tools in your browser. You might be able to find the control there and then determine how you might interrogate it. Often, the controls that appear to disappear are actually just hidden. If that is the case, you can usually find it on the Web Controls tab and you can add it from there. If that is too hard, once you've located it using developer tools, you can likely get an idea of what the control is and possibly interrogate something that has an identical type to the control in question (e.g., if the control is a DIV, interrogate a similar DIV). You can then update the match rule(s) such that they would work with your intended control.