You can find the tutorial here in the wiki: Sims 3 New Lifetime Wish (non-core)

As I noted in the tutorial, feel free to edit it if you find errors/typos or want to correct formatting.

For questions and other feedback, please post here.

Attached to this thread you'll find a package file that adds the two LTWs discussed in the tutorial: "Devoted Seducer" and "Become District Superintendant". I should note that since the Education Career LTW was my first test, I wasn't as diligent when adding new things, e.g. the enum I used is major_dream_level_10_of_education_career. And the "Devoted Seducer" wish rolls new wishes far too often. In any case, it's meant as an illustration, so that you can see what the files and package look like.

Enjoy the tutorial!

That is a very nicely done tut I am not sure if I will ever use it, but I certainly hope others do. I'd love to see a greater variety of LTWs in the game. Specifically more difficult, complex, diverse ones, which promote varied and interesting gameplay rather than doing the same thing over and over.

Thank you

I also hope to see some new LTWs. There are parts of the game that I haven't explored in depth and having an LTW for it would motivate me to do it (e.g. having an LTW for collecting).

I didn't even necessarily have "better" LTWs in mind, but now that you mention it, they all seem very narrowly focused. Whenever I read a guide on fulfilling an LTW that's full of how you can maximize efficiency and have your sim work 15 hours a day to max those skills, I wonder if those sims even "live". I tend to automatically balance work with a bit of play for my sims, but maybe it would be more realistic to have that included in the LTW itself, so that they want to reach the top of a career, but have a family and/or friends and/or hobbies too.

Technically the only problem is that the LTW feedback function reacts to a specific event, so if you wanted to catch a number of fleeting actions like how often they mop or do dishes, you'd probably have to write an event listener and create your own event covering all those things that the LTW could then handle. But it should be possible.

Exactly!
- Max a career AND three skills not required for that career
- Have five kids AND take them all on three vacations AND own a vacation home worth more than 100k (yeah, not as hard as it sounds since vacationing is so lucrative, but more challenging if you have seven sims to control while scarfing up the rocks and metals)
- Max the consignment skill, own three businesses and three max value venues... or maybe even... ALL businesses and ALL venues
- Live with three opposite-gender sims at once and raise a child from each of them (easier for male than female sims obviously, but either way you wind up with an 8-sim household and plenty of drama)
and, like you mentioned:
- Collect one of EVERYTHING (fish, bugs, rocks, gems, garden plants, recipes...). Or just complete all the collector challenges.

This tutorial looks wonderful and I'm in the process of designing my own lifetime wish. I know its really late (haha, looks like by about five years?) but if you're still around, I was wondering if I could bother you for a question about the ID in the primitive mode (<Id>171540815</Id>)? I'm a little confused on how to work it. Are you saying we have to grab it from an existing LTW or can we just generate our own number?

@Mary-Greenman: Oops, I didn't subscribe to this thread, so I didn't see this. This probably way too late, but a bit further down I explain that the ID is the FNV32 of the wish enum name I made up earlier.