Hello, How are you? I hope all are fine :)
Yes, I know how to add product on the checkout page in opencart.
I will let you know.
Just allow me once. I am completely available to you at each step. :)
I have 5+ Year experience in PHP (Corel/Laravel/Codelgniter/Cake PHP), WordPress(Custom Plugin/Theme and Customization), Mobile App development(Android/IOS/Kotlin/ReactNative), .Net(C#, J#, Visual [login to view URL], Jscript) and Web Designing(HTML/CSS/Bootstrap/Javascript/JQuery/AngularJS).
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Eagerly waiting for your response!
Best Regards:
Pradeep