# Opt-in `_faucet_*` run/lineage metadata columns (#510) — stamped onto every
# row by a connector-agnostic sink decorator (works for any sink).
#
# faucet run cli/examples/metadata_columns.yaml
version: 1
name: metadata_demo
metadata_columns:
prefix: "_faucet"
columns: [extracted_at, loaded_at, run_id, source]
pipeline:
source:
type: csv
config:
path: ./data/metadata_demo.csv
sink:
type: jsonl
config:
path: ./out/metadata_demo.jsonl