The variable is a way to customize a few rules at once. There are two levels of variables: local (prefix '#') and global (prefix '@').
The local variable can be used within single project only when global one is available for all projects.

There is list of options, settings, and properties where variable can be used instead of constant:

• Minimum and Maximum value for "Random value" fill method
• Start and Step value for "Incremental" fill method
• A few Pattern Engine functions accept variables directly or via $Vars function call

To use variable just enter the full variable name instead of constant. For example:

The export and import functions helps your team to share variables or even store them to version control system.