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 backend external hooks. Provide multiple files as a colon-separated list (":").
EXTERNAL_FRONTEND_HOOKS_URLS	String	URLs to files containing frontend external hooks. Provide multiple URLs as a colon-separated list (":").