How can I add a legend to my boxplot for specific elements?

This is the code for my figure:

AD is a matrix with data (8x10).

figure(1);

hold on;

A = boxplot(AD,'OutlierSize',4); % Boxplot

plot(t,AD,'Marker','.','LineStyle','none','MarkerSize',12); % Data single participants

MA = plot(mean(AD,'omitnan'),'Marker','x','Color','k','LineStyle','none'); % Mean for each training

title('Amplitudeverschil');

ylabel('Amplitude(%)');

xlabel('trainingsnummer');

axis([0.5 11 0 80]);

grid on;

hold off;

This is the result:

How can I add a legend in wich I include: Median, Min & Max, Outlier, interquartile ranges and the mean (plotted as MA).