MATLAB: Marker transparency for scatterm

Question

I would like to set the transparency for my markers on a scatterm plot. I tried MarkerFaceAlpha, but that doesn't exist for scatterm. "Unrecognized property 'MarkerFaceAlpha' for class 'matlab.graphics.primitive.Group'."

Here is what I'm working with:

figure
ax = worldmap([20 50],[118 156])
land = shaperead('landareas', 'UseGeoCoords', true);
geoshow(ax, land, 'FaceColor', [0.5 0.7 0.5])
scatterm(num(:,2), num(:,1), 200, num(:,6), 'filled', 's')
colorbar

Any help would be much appreciated. I've scoured the internet for hours to no avail.

Answer 1

h = scatterm(num(:,2), num(:,1), 200, num(:,6), 'filled', 's');
h.Children.MarkerFaceAlpha = .5;