Auditing your model data is a crucial step to know if everything is precise and there is not elements within the model that can make your data not trustworthy.
Graphic Overrides are a good ally to validate your model data by using it to check elements parameters. You can do this in 5 simple steps.
Define Data
The first step would be to define first what type of data you would like to validate within your model, In this case it could be Classifications.
Create the Graphic Rules that will check for that data within the model. The use of colours to highlight the elements that are not complying with the data is the way to go.