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annotating-task-lineage

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Annotate Airflow tasks with data lineage using inlets and outlets. Use when the user wants to add lineage metadata to tasks, specify input/output datasets, or enable lineage tracking for operators without built-in OpenLineage extraction.

skills/annotating-task-lineage/SKILL.md

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# Annotating Task Lineage with Inlets & Outlets

This skill guides you through adding manual lineage annotations to Airflow tasks using `inlets` and `outlets`.

> **Reference:** See the [OpenLineage provider developer guide](https://airflow.apache.org/docs/apache-airflow-providers-openlineage/stable/guides/developer.html) for the latest supported operators and patterns.

### On Astro

Lineage annotations defined with inlets and outlets are visualized in Astro's enhanced **Lineage tab**, which provides cross-DAG and cross-deployment lineage views. This means your annotations are immediately visible in the Astro UI, giving you a unified view of data flow across your entire Astro organization.

## When to Use This Approach

| Scenario | Use Inlets/Outlets? |
|----------|---------------------|