n8n-docs/docs/code/cookbook/builtin/vars.md

description	contentType
Access your environment's custom variables.	reference

vars

/// info | Feature availability

• Available on Self-hosted Enterprise and Pro and Enterprise Cloud plans.
• You need access to the n8n instance owner account to create variables. ///

vars contains all Variables for the active environment. It's read-only: you can access variables using vars, but must set them using the UI.

=== "JavaScript" js // Access a variable $vars.<variable-name> === "Python" python # Access a variable _vars.<variable-name>

/// note | vars and env vars gives access to user-created variables. It's part of the Environments feature. env gives access to the configuration environment variables for your n8n instance. ///