When adding a new item to list via the Sharepoint 2013 REST API I want to populate one of its multi-value lookup columns.

I've tried passing in an array of Ids or a string with separators but nothing seems to work.


I'm hoping your question was for a multi-select choice field, where the entries are simply text, not referring items in another list. I was able to guess the answer from this microsoft article

If you look under the ListItemCollection resource for "POST request example: Create list item" they show the following:

method: "POST",
body: "{ '__metadata': { 'type': 'SP.Data.Team_x0020_tasksListItem' },
    'Title': 'Teams incorporate feedback', 'AssignedToId': {"results":[1]},
    'StartDate':'2014-01-29T08:00:00Z', 'DueDate':'2014-01-31T08:00:00Z',
    'PredecessorsId': {"results":[4]} }",

The PredecessorId field is using the format you need for a multiple select field.


'<multi-select column name>': {"results":["<text of first selection to set>", "<text of second selection to set>", ...]}

If you wanted to clear all selections:

'<multi-select column name>': {"results":[]}
  • I've been looking all over for this answer. Thanks kimon! +1 – Mike Apr 8 '14 at 18:50
  • +1. Just a note, in my case the type property in __metadata had to be correct. You get the type either __metadata.type from an item or from ListItemEntityTypeFullName on the list. – eirikb Jan 26 '15 at 6:23

Don't forget to put "Id" at the end of your column name. For example: if your column name is 'AssignedTo' you have to put 'AssignedToId'

Also make sure the ID's you are providing in the "results" array are int's and not strings.

  • 1
    PLUS 1: this was killing me (appending Id to the field name for the POST) – hitdrumhard Aug 1 '14 at 20:36

Here i update the list(dynamic list) by pass the users id into sharepoint person or group field column(Approver1) using array.

var arry=[10,15];
        url: _spPageContextInfo.webAbsoluteUrl + "/_api/web/lists/GetByTitle('dynamiclist')/items", 
        type: "POST",  
        data: JSON.stringify  
                type: "SP.Data.DynamiclistListItem"  
            Employeename:"Test" ,   //replace your column name
            Approver1Id:{results:arry} //column name Approver1 added with Id

            "Accept": "application/json;odata=verbose",  
            "Content-Type": "application/json;odata=verbose",  
            "X-RequestDigest": $("#__REQUESTDIGEST").val(),  
            "X-HTTP-Method": "POST"  
        success: function(data, status, xhr)  
        error: function(xhr, status, error)  

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