Creating a Collection Variable
- Go to Collection Settings
- Go to the Variables tab
- Add your variable name, value in the Pre Request Vars section
- Save your changes

Using a Collection Variable
You can use the{{varName}} syntax to use a collection variable in a request.

Access Collection Variable inside scripts
You can also use thebru.getCollectionVar() function to get the value of a runtime variable and use it inside your pre request scripts.
Import/Export Collection Variables
For detailed instructions on importing and exporting collection environment variables, see the Import/Export Environments guide.