The Western Asset Municipal High Income Fund (MHF) is a mutual fund that primarily invests in municipal bonds, which are debt securities issued by state and local governments. This fund aims to provide investors with a high level of tax-exempt income by investing in a diversified portfolio of municipal bonds with varying maturities and credit qualities. The fund is managed by Western Asset Management Company, a leading global fixed-income investment firm. MHF may be a suitable investment option for investors seeking tax-efficient income and potential capital appreciation through exposure to the municipal bond market.