The MainStay MacKay Strategic Municipal Allocation Fund Class R6 (MTFHX) is a mutual fund that focuses on investing in a diverse portfolio of municipal bonds. This fund aims to provide investors with tax-free income by investing in high-quality municipal bonds issued by state and local governments. The R6 class of this fund is designed for institutional investors and has a lower expense ratio compared to other classes. With a strategic approach to municipal bond investing, this fund seeks to provide a stable and consistent return for its investors.