Tex solution to seperate appendix for each chapter and headings

This example code can generate subappendix for each chapter and also add it to toc, and change the headings into appendix

\chapter*{Appendix}
\addcontentsline{toc}{chapter}{Appendix}
\markboth{Appendix}{Appendix}
\begin{subappendices}
Appendix content
\end{subappendices}