ADF — You Can Finally Send Values From Child Pipeline To Parent Pipeline

This article explains how to return values from ADF child pipeline to parent pipeline.

Tech Zero
3 min readMar 5, 2023

Microsoft has finally released a long-awaited feature — sending values from a child pipeline back to the parent pipeline. This article explains all the steps needed to achieve this feature.

Description of My Test Case

The parent pipeline needs to call the child pipeline to extract the list of files from an ALDSG2 container. The file list then needs to be returned to the parent pipeline.

Step 1 — Create a Child Pipeline

The list of files shown below need to be captured by the child pipeline and returned to the parent pipeline.

To do so, drag and drop the Get Metadata activity to get the list of files.

ADF Get Metadata
ADF Get Metadata

Step 2— Store List of Files In a Variable…

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Tech Zero

Product Manager, Data & Governance | Azure, Databricks and Snowflake stack | Here to share my knowledge with everyone