Simulink Diagnostic Viewer can be opened from the model's "View" menu. However, "Diagnostic Viewer" menu item is disabled unless there were results to display (for example, you have already run the simulation).
This customization makes the "Diagnostic Viewer" menu item always enabled. This is useful if you have to see simulation messages on the first model run.
Put the sl_customization.m somewhere in MATLAB path and run sl_refresh_customizations (or restart MATLAB).
Mikhail (2021). Diagnostic Viewer Enabler (https://www.mathworks.com/matlabcentral/fileexchange/46877-diagnostic-viewer-enabler), MATLAB Central File Exchange. Retrieved .
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