community.general/docs/docsite/helper/lists_mergeby/default-common.yml

---
# Copyright (c) Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
list1:
  - {name: foo, extra: true}
  - {name: bar, extra: false}
  - {name: meh, extra: true}

list2:
  - {name: foo, path: /foo}
  - {name: baz, path: /baz}