https://www.aap.ucla.edu/units/cccp/ here you go, it’s basically an “academic achievement program” that provides you with extra tools and support for transferring. I applied to the STEM SITE which pays for you (if you’re accepted!) to stay a week at UCLA and get some support for transfer/stem.
the only drawback for me is that you have to actually go to UCLA 4ish times a year to maintain membership so I was wondering if it even adds anything of worth to your transcripts. i’ve seen a few people put it for their “stats” in the chance me threads but it doesn’t seem to be as highly regarded as TAP.