I am using CR v7. I have a parameter set up so users can choose any default zip codes in a state for example California. Users can choose discret zip codes or range of zip caodes. I would like to add a default value like "Los Angles" so that when user choose it, all zip codes in Los Angles will be selected. This way, users can choose discret zip codes, range of zip codes, and zip codes by city. Thank you for helping...