Please show an example for download artifacts from a job in another child pipeline in the same parent-child pipeline hierarchy

GitLab CI/CD
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When I am referring to the doc section needs:pipeline:job

It only shows the example for download artifacts from a job in its parent pipeline. However, it is clearly stated that we can download artifacts from a job in another child pipeline in the same parent-child pipeline hierarchy.

Could you please provide an example for that? I am really interested in using the feature.

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2

I’m also interested in this feature, and I’m struggling to see how it’s currently possible.

needs:pipeline:job requires the CI_PIPELINE_ID of the source pipeline for the artifacts and I can’t find any information about passing this data between sibling child pipelines or from a child pipeline to a parent.

Does anyone have any ideas for how this might be possible? Otherwise, I’ll open an issue in the tracker to fix the docs and possibly a feature request for this feature.

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Yeah, I’m curious about this – I can pass a job ref from parent to child in a trigger job by passing the ID

  variables:
    PARENT_PIPELINE_ID: $CI_PIPELINE_ID

and then ref the ID in the child job that needs the parent job’s artifacts

  needs:
    - pipeline: $PARENT_PIPELINE_ID
      job: generate-particular

But trying to get a sibling to get the artifacts from another sibling aren’t well documented, though the docs say

A child pipeline can download artifacts from a job in its parent pipeline or another child pipeline in the same parent-child pipeline hierarchy.

But how?