# Working with local variables

Local variables are used to store values which do not need to be accessible outside the context of the respective Program Organisation Unit. They may also be used to define the data structure of a custom Program Organisation Unit, including inputs and outputs.

- Creating a local variable
- Renaming a local variable
- Changing the section of a local variable
- Changing the data type of a local variable
- Changing the initial value of a local variable
- Deleting a local variable