The Delaware Ivy Municipal High Income Fund Class A (IYIAX) is a mutual fund that primarily invests in municipal bonds, which are issued by state and local governments to fund public projects. This fund aims to provide investors with a high level of tax-exempt income while also preserving capital. It may also invest in other fixed-income securities, such as corporate bonds and mortgage-backed securities. The fund is managed by Delaware Investments, a subsidiary of Macquarie Investment Management, and has a focus on generating consistent income for investors through a diversified portfolio of municipal bonds.