As the Lord High Commissioner, William will act for the Sovereign and maintain the relationship between the State and the Church This role includes making an opening and closing address to the General Assembly, observing the debates over the week and carrying out engagements on behalf of the Church and its charitable work.Throughout the week, William will report on the proceedings to The Queen and keep her informed of developments.https://royalcentral.co.uk/uk/the-duke-of-cambridge-named-lord-high-commissioner-to-the-general-assembly-of-the-church-of-scotland-157433/