<!-- * Use this issue template for suggesting new docs or updates to existing docs. Note: Doc work as part of feature development is covered in the Feature Request template. * For issues related to features of the docs.gitlab.com site, see https://gitlab.com/gitlab-org/gitlab-docs/issues/ * For information about documentation content and process, see https://docs.gitlab.com/ee/development/documentation/ --> ### Problem to solve With the new [Parent-child pipelines ](https://docs.gitlab.com/ee/ci/parent_child_pipelines.html) it's not clear how to pass through variables from the parent to the child in the docs. This functionality is present though and working but it's detailed in a different section on the [Multi-Project pipelines](https://docs.gitlab.com/ee/ci/multi_project_pipelines.html#passing-variables-to-a-downstream-pipeline) page. Docs should be updated on the [Parent-child pipelines ](https://docs.gitlab.com/ee/ci/parent_child_pipelines.html) page to show users how to do this also. ### Proposal Bit awkward as we typically want to be DRY but the pages are separate so it may just need to be the same section. ### Other links/references Issue from user asking for the feature due to docs not being clear https://gitlab.com/gitlab-org/gitlab/-/issues/213729