Another great tool in the diagnostic utilities is the assignment list. In this lesson, we are going to discuss this tool, when and why you would want to use it, and how to deploy the tool. This tool will help you determine exactly what addresses have been used within your program as well as the tag name associated with the address. This tool gives you the all this information at a glance and is very helpful in the development of your PLC program or troubleshooting a program written by others. Let’s open this lesson and check out the assignment list tool.