The MFS Emerging Markets Debt Fund Class R6 (MEDHX) is a mutual fund that focuses on investing in debt securities issued by emerging market countries. This fund aims to provide investors with exposure to the potential growth and diversification opportunities of emerging markets while managing risk through a portfolio of fixed income securities. With a focus on debt securities, this fund may offer a higher yield potential compared to traditional fixed income funds. The Class R6 shares are designed for institutional investors and have a lower expense ratio compared to other share classes, making it an attractive option for those seeking exposure to emerging market debt.