jQuery Validate Plugin: how to validate a dropdown

Question

I\'m trying to use the jQuery Validate plugin to validate a dropdown. It validates the rest of my form correctly. But it doesn\'t work on the dropdown.

Here is my jQue

Answer 1

$('#campaignForm').validate({
    rules: {
        html_url: {
            min: 1,
        }
    },
    messages: {
        html_url: 'Please select a template',
    }
});