#

# LogiView

## How to Assign System Variables

| ### What to do:
| A prerequisite for this example is that you have already declared the DOCU variables as described in How to Declare Variables and Constants.
| Open the Logic Models/Procedures form from the Manager > Macro > LogiView > Logic models menu or click the button .
| To open the LogiView System Declarations mask, click the button System data. A list of all system variables is opened.
| New variables can not be added in this list mask!
| Change to Insert mode with the button .
| Click the button . The Variables - List is opened.
| Use the search function to display the DOCU_LOGIC_SYSTEM variable. You can declare a new variable as described in "How to declare variables and constants".
| Highlight the DOCU_LOGIC_SYSTEM variable and select the Take entry function from the context menu.
| To save the entry click the button .
| The variable is added to the Variables for system list and available system-wide (i.e. even in all LogiView decision tables / procedures).
| The Variables for system list should now look as follows: