sldemo_slproject_airframe;
proj = simulinkproject;

files = proj.Files;

for fileIndex = 1:numel(files)
   file = files(fileIndex);
   [~, ~, fileExtension] = fileparts(file.Path);
   if strcmp(fileExtension,'.m')
      addLabel(file,'Classification','Utility');
   end
end

utility_files_to_review = {};
for jj=1:numel(files)
   this_file = files(jj);
   
   label = findLabel(this_file,'Classification','Utility');
      
   if ( ~isempty(label))
      % This is a file labeled 'Utility'. Add to the 
      % list of utility files.
      utility_files_to_review = [utility_files_to_review; this_file];
   end
end

sldemo_slproject_airframe;
proj = simulinkproject;

myfile = findFile(proj,'models/AnalogControl.slx');

label = findLabel(myfile,'Classification','Design');

labels = myfile.Labels

labeldefinition = myfile.Labels(1)

label = findLabel(myfile,labeldefinition);

sldemo_slproject_airframe;
proj = simulinkproject;

category = proj.Categories(1)

ld = findLabel(category,'Design')