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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 (":").