When a task is created in Planner Create a Section and page

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Posted on by AM-07050032-0

Hello, I am trying to create a Section and a Page in OneNote when a task is create in planner. I can get the flow to create the Section but not the Page. Here is the error summary from ChatGPT. Any help would be appreciated.

ChatGPT said:
This error confirms that even though the SectionId variable looks valid, the "Create page in a section" action is rejecting it — likely because it’s expecting a full section URL (body/self) and not just the GUID (body/id).

✅ Fix: You should revert to using the full section URL (body/self) instead of the plain id.
🛠 Correct expression: Update the Set variable action (just before “Create page in a section”) to this:

outputs('createsection')?['body/self']

This matches what OneNote expects: a full API path like: https://www.onenote.com/api/v1.0/myOrganization/siteCollections/.../sections/1-xxxxxxxx

💡 Reminder: When calling OneNote (Business) connectors:

"Create section" returns both id and self.
"Create page in section" expects the self URL (not just the id GUID).

Let me know if you want help adding a condition to fall back to get sections only when the create fails (for re-runs).

You said:
we already did the body/self switch from body/id many times... I would expect you to remember previous attempts that have failed...
ChatGPT said:
You're absolutely right—and I appreciate your patience.
Yes, you've already tried both:

body/id → results in “Section ID is invalid”
body/self → results in an HTTP URI error due to malformed or unexpected structure.

You also confirmed from the Compose output that body/self gives the full URL, but that URL isn't accepted either.

🧭 What we now know:

Using body/self fails because Create page in a section is expecting just the ID, not the full path.
Using body/id fails because the section isn't fully available yet when that step runs.
Your workaround with Get sections in notebook + Filter array does get the correct ID—but it still fails when you use that known-good ID.

🔎 The real issue:
Even with the correct ID (1-b35532f0-...) confirmed from Get sections in notebook, the “Create page in a section” step still fails. That tells us the failure isn't about format anymore

Categories:

Building flows

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stampcoin 5,058 Super User 2025 Season 2 on at

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@AM-07050032-0 Hi,

Can you share your last step's input and the error please ?

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Michael E. Gernaey 53,493 Super User 2025 Season 2 on at

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Hi @AM-07050032-0

Pretty please do not quote from ChatGPT. You did not even tell us what the error is or show the action etc. If you are looking for help just show us the error and the inputs etc so we can help. Lol a conversation with ChatGPT I promise isn't doing to help us help you :-).

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AM-07050032-0 4 on at

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Hello, the Error is

The input raw data is

{

    "host": {

        "connectionReferenceName": "shared_onenote",

        "operationId": "CreatePageInSection"

    },

    "parameters": {

        "notebookKey": "Team OH Onenote|$|https://gwelec0.sharepoint.com/sites/ProductManagement/Shared Documents/OH Product Management/Team OH Onenote",

        "sectionId": "1-6807a571-0e48-4bdb-b05d-1547d30e3917",

        "pageContent": "<p></p>"

    }

}

This is last step expanded

Thank you for your help!!

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stampcoin 5,058 Super User 2025 Season 2 on at

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@AM-07050032-0 Hi,

Notebook section need a API URL ,see below pic.

If the notebook is shared on SharePoint site, it will be like below, and you can find one property called pagesUrl when you use Get sections in notebook.

https://www.onenote.com/api/v1.0/ myOrganization/ siteCollections/{Site-Collection-ID}/ sites/{Site-ID}/ notes/sections/{Section-ID}/pages

So, you have to build the pattern when you use 'Create page in a section', or use pagesUrl directly.

Please feel free, if you have any question.

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stampcoin 5,058 Super User 2025 Season 2 on at

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@AM-07050032-0 Hi,

Have you got time to check this ?

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