Is this the shield you mean?
Hello, this is my first post... and first program.
What do you know of the C language? Arrays? Loops? Logic and branching? Variables and types?
You should be familiar with all those before planning a trip across where you want to go.
Even then, you will be stretched.
I see the tutorials for the shield and say that you need to go through tutorials for the Arduino just to begin to understand not all the individual lines in the shield tutorials and have some hope to be able to look up and work through the rest.
What so many people do instead of learn first is to buy a lot of things and grab code from somewhere and expect to be able to modify it with some help like it is a school writing assignment or scene from a movie. Please do not do that, it would be a disservice to yourself and others.
If instead you cover some or all the Arduino Example tutorials from sections 1, 2, 3 and 5, all included in your Arduino IDE it will help you immensely to be able to read the shield tutorials and importantly it will help you ask questions in the forum that will get you useful answers.
Yes, all that just to be able to converse meaningfully about the subject of your goal. Your background will give people a handle just to be able to help and guide you.
You need to walk before run.