I've been racking my brain over this for a while and Googling has failed me so I was hoping I could get some help here.

I just want to be able to update the Notes field on a Project Task in Project Server through REST/CSOM. I've tried the patch like so and it didn't work:

fetch(projApiUrl + "/Draft/Tasks('" + taskId + "')", {
    method: 'PATCH',
    body: JSON.stringify({
        "__metadata": { "type": "PS.DraftTask" },
        "Notes": "UPDATED NOTES TEXT"
    headers: fetchHeaders

It returned a 204, but the value didn't change at all.



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