Entering or changing the description for a declared variable

How to enter a description for a variable already declared within a →graphical editor or change an already existing description:

1. Make the list of declared variables visible. Alternative for an →input variable, →output variable or →in-/out variable: Open the interface editor for the object (from within the project explorer).

2. Point to the column Description for the variable and double-click.
   Alternative: Use the command Edit Description provided within the context menu.

3. Enter the requested text. A text with several lines is possible – press Shift+Enter .
   The following character is not supported for the description: '

4. Accept the change by pressing the Enter-key or clicking the primary mouse button outside of the current field . Press the ESC-key , if you want to discard the change.