Custom variables
Custom variables are listed in Automation > Variable Library, in the User Defined Variables pane. These are variables which you define in a central location, and re-use in other objects.

To get started, Add a custom variable. Then:
Custom variables are listed in Automation > Variable Library, in the User Defined Variables pane. These are variables which you define in a central location, and re-use in other objects.
To get started, Add a custom variable. Then: