External hooks environment variables#
File-based configuration
You can add _FILE to individual variables to provide their configuration in a separate file. Refer to Keeping sensitive data in separate files for more details.
You can define external hooks that n8n executes whenever a specific operation runs. Refer to Backend hooks for examples of available hooks and Hook files for information on file formatting.
| Variable | Type | Description |
|---|---|---|
EXTERNAL_HOOK_FILES |
String | Files containing external hooks. Provide multiple files as a colon-separated list (":"). |