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Subtasks / Parent task

chris.siret says:
I regularly save links to interesting articles in RTM. I tag them (e.g., tools, run), and I create specific Smart Lists for each theme.
When I set aside time to go deeper into these articles, I sometimes create subtasks that I tag (na).
My question: I’d like to create a Smart List that shows the subtasks tagged (na) whose parent task is tagged (tools).
I’m stuck. If anyone has an idea, thank you in advance.
CS
Posted at 11:55am on January 13, 2026
emily (Remember The Milk) says:
Hi Chris,

Unfortunately Smart Lists can't look at a subtask's parent, so I don't think this is possible directly.

As a bit of a workaround, you could use MilkScript.

The general idea is to run a MilkScript that:

- finds all subtasks tagged na
- checks whether their parent task is tagged tools
- adds a helper tag such as na-parent-tools to those subtasks

You then create a normal Smart List that simply shows:

tag:na-parent-tools

The list updates whenever you rerun the script, so it's not automatic. It's adding tags so it might make things look a little messy, but this is the best idea I can come up with. :) Hopefully someone else might have a smarter solution!

Note: If you're not comfortable writing MilkScript yourself, you can also use ChatGPT (or similar) to generate it. You can describe the logic in plain English, and then paste the resulting script into MilkScript. :)
Posted 4 weeks ago
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