I am at my wits end. Everything I received via search engine queries relevant to my question relates to a version of Google Spreadsheets with functionality that no longer exists. I am not concerned about the InfusionSoft portion of my question. I simply added it so that in the future if fellow InfusionSoft customers are asking the same question they may find the help they are looking for in this thread - I hope! I appreciate all of those willing to help me work to resolution on this issue, it has consumed a large portion of my time and energy. I am like unto Princesses Leah in the FIRST Star Wars - "Help me Google-Group-Users, you're my only Hope!"
I was able to locate what I believe to be a detailed and somewhat accurate - if not dated - tutorial by Martin Hawksey on the POST function utilizing the Google Script Engine at Martin's site: Mashe.Hawksey.info - doGet/Post Method
I want to let everyone know that I am not a developer / programmer. I am a hack, and I don't say that with pride. I share this with you so that you can understand that I can look at the code on the Mashe page and not understand much of anything about what is going on. I did have a buddy look at the code who is a programmer and he said that he believed that it was good to go to receive the POST.
Here is the problem - I believe - I don't know which URL I should be providing to InfusionSoft. This code references outdated terminology - Publish as Service - isn't an option. What URL should I use and how do I get it? Also, what will that URL look like when it comes from InfusionSoft to Google? It is my understanding that the field names from Infusionsoft will need to be appended in the URL, and I believe that InfusionSoft will do that for me automatically? What is the delimiter in an HTTP Post for each Column Header? is it a Dash?
Also, for those with an expert eye, is there something else you would recommend or suggest that I modify / add?
Again, I want to thank all of you in advance for any help you can provide to me, and I am sure future searchers would like to thank you as well.