WebApp Survey Customization Hi there, Is it possible to retrieve parameters from the URL and check whether a response has already been submitted in the custom schema I created? I want to perform this check when a user clicks on the WebApp Survey link in the email. I’ve defined variables and set them as parameters under the WebApp’s properties:ctx.vars.feature_cd1, ctx.vars.feature_cd2, ctx.vars.feature_cd3, ctx.vars.feature_cd4. Can I add a JavaScript activity right before the page activity to check if a response has already been submitted for feature_cd=1, which corresponds to the feature_name1 column in the schema? If a response or value exists for that feature and the email ID, the user should see a "Thank you, you have already submitted the response" message. Similarly, if the URL contains two features (e.g., feature_cd=1&feature_cd2=2), the page should display two questions. However, if the user has already answered one but not the other, I’d like to hide the answered question and dis
