Vasumati Yoga is a highly auspicious and beneficial yoga in Vedic astrology that promises monetary wealth and prosperity. Vasumati Yoga is formed when benefic planets (Jupiter, Venus, Mercury, and Moon) occupy the Upachaya houses (3rd, 6th, 10th, and 11th houses) from the Lagna (ascendant) or the Moon. The Upachaya houses are known for their ability to improve and grow stronger over time, making them ideal placements for benefic planets.
The most prominent effect of Vasumati Yoga is an increase in financial stability and wealth. Individuals with this yoga are likely to experience success in their financial endeavors and accumulate wealth over time.
The Upachaya houses are associated with growth and progress. The presence of benefic planets in these houses indicates continuous improvement and development in various aspects of life, including career and personal achievements.
The benefic planets involved in forming the yoga should be strong and well-placed in the horoscope. If the benefic planets are afflicted by malefic planets or are in a weak state, the positive effects of the yoga may be diminished.
You can use the Yogas feature in the Cosmic Insights App to know if you or your friends/family members have this yoga in their birth chart.

What does your birth chart reveal about your finances?
I paid for the add on but Vasumati is not one of the options under Yogas on my app. Where do I find that? It lists them alphabetically but stops at T