BIM Interoperability Tools for Revit is a collection of utilities that helps you classify, validate, and export BIM data in your model. 

Today we’ll show you the BIM Model Checker feature.

Below you can see the BIM Interoperability Tools for Revit tool tab in Revit 2019 on the right, the Model Checker feature on the left

Select setup and you will get this dialogue below, select your type of checker and then select OK

Once you select the type of model checker list you will see this dialogue below, select save and close when done

Below you will see the file being checked, and other items (orange buttons on left) below then choose run report

once the report is ran you can go through the findings of the report and even export them out as well

You can find this free tool to download from your manage.autodesk.com account as you see below