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HTTP-Request edit library item

Hello Power Automate Forum,


im trying to change the value of one column from a libary item, via the API.

Following the the offical documentay:


Getting the ListItemEntityTypeFullName:





I ended up with this:



Which leads to this error


Roughly translated
  "status": 400,
  "message": "The Parameter \"__metadata\" does not exist in the method \"SP.Data.RechnungenItem\" . 



I have tryed all kinds of Header configurations fors several hours. Starring at I dont know how many kinds of errors. Getting the information works fine, but edititing it seems impossible.


Can somone please point me in the right direction.


Best wishes,


Advocate I
Advocate I

I have used the below method to update the column values in the library using the HTTP request.




Community Support
Community Support

Try running the text with the following statement only.

"Title" : "test"

If you still get an error, try deleting all the header content and running it once.

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