Generally, refactoring is the process of restructuring and improving existing software code without changing its behavior.
Refactoring in EcoStruxure Machine Expert provides functionalities for renaming object names and variable names. It allows you to show all usage locations of changed objects and variables and to get renamed all those at once or individually. You can configure whether and at which locations you should get asked for performing refactoring. Explicitly you can use the command .
For further information, refer to the chapter Refactoring in the Programming Guide.