"I did my first step inventory before moving on to the fourth step inventory. The difference between the two inventories is that the first step inventory is an account of all of your experiences with your addiction that you can remember whereas the fourth step is a moral inventory. Some people call the first step inventory a sexual history. It would basically be the third list that HURTALLOVER mentioned. Ideally, you share a first step inventory with a group of addicts that you can trust. The Sons of Helaman program would probably be an ideal place to share this inventory.
After making a history of your addiction, I would then go over steps two and three, and then move on to doing the fourth step inventory. I heard the fourth step inventory described as a history of every bad action, emotion, resentment, and attitude you can remember. I made my inventory as a narrative history of my life, but making it like a list is fine as well.
If you need more help on writing your inventory, it might not hurt to click on this link to SA white book and read from page 105 to 110.
Here's the link -
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http://www.guardureyes.com/GUE/PDFs/eBooks/White%20Book.pdf >"