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Please if someone can teach me how to do it then I shall be grateful.How to retain userHistory in docBlock of simulink without overwriting the old information?

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Rizwana
Rizwana 2016-7-5
关闭： MATLAB Answer Bot 2021-8-20
clear all;
clc;
bdclose all;
sys = 'test';
load_system(sys);
load_system('simulink');
open_system(sys);
k = get_param(gcb,'UserData');
name = getenv('USERNAME');
[Date, Time]= timeAndDate();
new_info =char(name,Date,Time);
k.content = cellstr(new_info);
for i = 1:length(k.content)
set_param(gcb,'UserData',k.content{i});
% save_system('DocBlock')
% set_param(gcb, 'UserDataPersistent', 'on');
end
I am unable to save over all information. Like it is saving the last information and overwriting my old information

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