Save yourself some angst.
Read this post.
The poster asked the same basic question. You may be surprised to know, when I first bought the P1S I wanted the G-Code because you can get a sense of what is going on under the covers so to speak.
The picture is the original poster also. I’m trying to save you some frustration. No one has answered your question have they?
BBL P1S organized start and end gcode
Go to the Bambu Lab Github.
Bambu Lab GitHub
Sell the Bambu and buy a Prusa XL. Significantly larger build area