Is it possible to set (Update/Create) 2 users to the AssignedTo column in SharePoint Online?

I am using REST-API (JS). When I put one user with:

AssignedTo "- 1; #USER@company.com"

it works, but how do I add two or more users into the same item?


First of all you have to Allow multiple selections in AssignedTo column.

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To add/update multi valued Person or Group column, you have to specify the ID's of the Persons or Groups like

var data = {
    __metadata: { "type": "SP.Data.TestListItem" },
    Title: "Some title",
    AssignedToId: { 'results': [11,22] } 

You will find more in this CRUD Operation to List Using SharePoint 2013 Rest API

  • thanks :) it worked and I have found another way that works well AssignedTo " ; #ID ; #ID ; #ID "
    – Man SP
    Jan 22 '16 at 12:26
  • 1
    It is by default set to accept more than one person. I am trying and I keep getting a 400 error?
    – BeerusDev
    Aug 26 '21 at 12:57

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