Go to the Add-Ins tab and active DYNAMIC QUANTITIES with the button.

Select elements on a 3D View and get the material quantities instantly.

In the material list, select the material you want to filter, right-click and select only the elements with this material.

In the element tree, select the Category, Type or Element, right-click and select only the elements you need.

Enjoy saving a lot of time in your day.

The installer that ran when you downloaded this app/plug-in from Autodesk App Store will start installing the app/plug-in. OR, simply double-click the downloaded installer to install the app/plugin.

You may need to restart the Autodesk product to activate the app/plug-in.

To uninstall this plug-in, exit the Autodesk product if you are currently running it, simply rerun the installer, and select the "Uninstall" button. OR, click Control Panel > Programs > Programs and Features (Windows 7/8.1/10/11) and uninstall as you would any other application from your system.

Some users behind a Firewall or proxy may have problems to activate the add-in. Please follow the instruction on the link to solve proxy problems.

https://forums.autodesk.com/autodesk/attachments/autodesk/78/504135