CanvasContent1

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Posted on by inovatoor

Good Morning,

I am trying to edit the content of websitepages with the sharepoint Rest Api.

Since these are lists, I tried using the validateItemUpdate for the canvasContent1 formValue, but since the html ist much longer then 255 chars, this fails.

Is there a way to do this? I'm struggeling with Rest Api concerning the whole List vs. Page problem.

Thanks 😉

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Building flows

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Expiscornovus 33,828 Most Valuable Professional on at

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Hi @inovatoor,

Normally you can use the SavePage or SavePageAsDraft methods for this.

_api/SitePages/Pages(3)/SavePageAsDraft

Also have a look at the new Pages API methods, those are useful as well:

https://learn.microsoft.com/en-us/graph/api/sitepage-create?view=graph-rest-beta&tabs=http

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inovatoor 8 on at

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Thanks for the reply.
Hm, I tried that, without much luck ...
Maybe I got the post request wrong. I will try again 🙂

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Expiscornovus 33,828 Most Valuable Professional on at

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Hi @inovatoor,

Let us know about your progress. If it still fails please share an example screenshot of your flow setup and the specific error message.

This way we can see which Body payload you are using in the Send an HTTP request to SharePoint action and this will help troubleshooting.

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inovatoor 8 on at

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I still get an error: 409 - conflict

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Expiscornovus 33,828 Most Valuable Professional on at

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Hi @inovatoor,

Can you use a different for the type property? Try using SP.Publishing.SitePage instead of SP.Data.SitePagesItem.

Btw, I would also suggest to change the Content-Type header to 'application/json;odata=verbose'. Because you are including metadata in your body.

{ "__metadata": { "type": "SP.Publishing.SitePage" }, "CanvasContent1": "@{outputs('Compose')}" }

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inovatoor 8 on at

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Sadly that wasn't the problem ...

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Expiscornovus 33,828 Most Valuable Professional on at

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Hi @inovatoor,

Thanks for checking.

Can you share the CanvasContent1 json value (what you are using in your Compose outputs action)?

It would be useful to see which controls and web parts you are using in that payload, since the json can become pretty complex and a mistake in there is easy to make.

Since you are getting a HTTP 409 it might be worth checking if your page is currently published and not being edited while you try and edit it as well with the Power Automate cloud flow.

Also have a look at for example this thread where I used a similar approach. As you can see in that example you can also try and checkout the page first, before you try and edit/save it with the flow and publish it.

https://powerusers.microsoft.com/t5/Building-Flows/Changing-SharePoint-Quick-links-via-Power-Automate-HTTP/m-p/1671247

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inovatoor 8 on at

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That might be a problem. My flow actually creates a copy of a template (I want my team to be able to change the template). After that the flow gets the content by http request.
But this problem has to wait for the moment. Thanks for the help so far 😉

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