Matthew Butler takes an in-depth look at creating user data controls in Cinema 4d through the use of Xpresso, which will allow you to organize and provide the ability to simplify your scene by creating single controls that can affect multiple elements.
91 minute video tutorial explaining how to setup a Cinema 4D Project to have user data controls that give your file or project complete simplicity for controlling all of the elements in one place
Matthew presents this in a six part tutorial which is broken up into five different sections, explaining what use data is and how you can use it to simplify your workflows in Cinema 4D.
Matthew also goes through the different types of user data available, and connecting user data into Xpresso with some Xpresso basics, and some more advanced stuff in file setup. Check out the tutorial for Developing Cinema 4D User Controls Through Xpresso here.