How can I programmatically access the description text of the documentation pane of a signal line in Simulink 7.9 (R2012a)?

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MathWorks Support Team
I have added a description in the property dialog documentation pane of a Simulink signal (right click on the signal -> Signal Properties -> Documentation: Description).
I am looking for a way to programmatically access the content of the description field.

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MathWorks Support Team
You can use the 'Description' property of the 'porthandles' as shown in the following example:
p1 = get_param('signalDoc/Const','porthandles')
get(p1.Outport,'Description')
% set a new description
set(p1.Outport,'Description','My new Description.')

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