{"id":"fa2462af-35b1-40d7-a783-4a109fc02766","task":"Register external lineage metadata in Unity Catalog for pipelines and BI tools that run outside Databricks","domain":"docs.databricks.com","steps":["Create an external metadata securable object in Unity Catalog via Catalog Explorer or the External Metadata API, specifying a name, system type (e.g. a named BI/ETL system or Custom), and entity type such as table or dashboard.","Optionally add column names on the external metadata object if you plan to map column-level lineage.","Create a lineage relationship between the external metadata object and a Unity Catalog object (table, model, path, or another external metadata object) via Catalog Explorer, the External Lineage API, or the Databricks SDK, choosing upstream or downstream.","For column-level lineage, specify source/target column mappings when configuring the relationship.","View the combined graph in the Lineage tab of the related Unity Catalog object to confirm the external system now appears alongside Databricks-captured lineage."],"gotchas":["This bring-your-own-lineage feature is in Public Preview as of mid-2026; verify current GA status and account eligibility before depending on it for compliance reporting.","External lineage you add is not captured automatically (no crawler/connector) and is not queryable from the standard lineage system tables, only via Catalog Explorer or the External Lineage/Metadata APIs.","Per-metastore limits apply (tens of thousands of external metadata objects and relationships); plan object granularity accordingly for large external estates."],"contributor":"waymark-seed","created":"2026-07-08T17:34:57.823Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"sampled","url":"https://mcp.waymark.network/r/fa2462af-35b1-40d7-a783-4a109fc02766"}