How to show values on top of columns (MBS ChartDirector)

Hello everyone,
I need to show values on top of each column in a chart using MBS ChartDirector. I have done it on an older chart, but it seems that I cannot find (pinpoint) the command that makes the values show and I am a little lost.
Any help will be appreciated!

layer.setDataLabelFormat("{value}%") call layer.setDataLabelStyle "arialbd.ttf", 10

to add the text to the bar layer.

Thanks Christian,
I will try it immediately.
If I don’t want percentage but just the value, I suppose I should write: