Definition
Environment Variables are used to store commonly used parameters or settings in the application.
Storing commonly used values in one place eases the migration and maintenance of the application developed.
Environment variables can be retrieved by using the Environment Variable Hash Variable.
Figure 1: Properties & Export
One can make use of the Environment Variable to store commonly used values in places like 邮件发送工具, 数据库更新工具, and so on. Doing so makes it easier to manage setting/configuration changes.
Figure 2: Adding a new Environment Variable