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From Jeremiah Lowin <>
Subject Re: Passing XCOM variables from parent DAG to child DAG
Date Wed, 13 Jul 2016 18:36:21 GMT
Hi Greg,

This should be possible. When you pull the XCom, you can specify key,
task_id, and dag_id. By default, it only pulls from the same DAG, so try
setting the DAG_id to match the parent.


On Wed, Jul 13, 2016 at 2:34 PM Greg Lira <> wrote:

> Hi,
> We want to push an XCom in the parent dag and then use (pull) it in our
> SubDAGs.Can't get this working in airflow.
> Is it supported? How can we use that?
> Thanks,
> Greg

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