You want to create a chrome extension to display notifications about your tickets on your desktop. To do this, you will need PHP and MySQL for the backend AND the actual Chrome extension written in JavaScript and HTML. You can write a notification window using JavaScript and HTML, packed inside the Chrome extension.
Here is a link showing how to create a basic extension , and here is another option for desktop notification . Keep in mind that desktop notifications in Chrome appear outside the browser. However, if you are familiar with JavaScript and HTML, you can achieve what you need.
Keep us informed of your progress and / or if you have problems.
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