You should not stop in saying “serial number which I don’t know”. You should understand your problem first, and explain to others what you need to solve. Otherwise nobody can help you.
You must be aware how the serial numbers are formatted. You must be able to tell others how to imitate that serial numbers using your test script.
You should start with reading the HTML source of your target HTML.
… Do you know how to? May be not.
Then you should stop using Katalon Studio. It does not help you for understanding your target HTML.
You should start with learning how to use the DevTools of Web browsers. See the following post.
Then you might be able to learn how to parameterize a Test Object. See