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I am trying to create a form for a Sharepoint Hosted app that will allow users to request a teamsite. The form writes to a list that is contained in the Sharepoint site collection, from which a timer job will read and complete the teamsite provisioning process. The list I am updating contains vital 'User and Group', 'Choice', and 'Url' fields and I am having difficulty getting my REST post to work.

When I run this code, I get a 400 error with this JSON reponse:

{"error":{"code":"-1, Microsoft.SharePoint.Client.InvalidClientQueryException","message":{"lang":"en-US","value":"A 'PrimitiveValue' node with non-null value was found when trying to read the value of a navigation property; however, a 'StartArray' node, a 'StartObject' node, or a 'PrimitiveValue' node with null value was expected."}}} Bad Request

I have not been able to find any examples online of non-text fields being updated via REST services, so if anyone could provide samples or point me to good sources of information I would greatly appreciate it!

    function CreateTeamsite() {

    var url = _spPageContextInfo.siteAbsoluteUrl;
    teamsiteValues = {
        "__metadata": { "type": "SP.Data.Teamsite_x0020_ListListItem"},
        //"__metadata": { "type": "SP.Data." + listName.charAt(0).toUpperCase() + listName.slice(1) + "ListItem" },
        "Title": $('input[id=ctl00_PlaceHolderMain_txt_name]').val(),
        "BusinessUnit": $("#sel_bu option:selected").text(),
        "Description_x002f_Purpose":"test", // $('input[id=ctl00_PlaceHolderMain_txt_purpose]').val(),
        "Members": peoplePicker_Members.GetAllUserKeys(),
        "SecondaryOwner": peoplePicker_secondaryOwner.GetAllUserKeys(),
        "Viewers":  peoplePicker_Viewers.GetAllUserKeys(),
        "Function": $("#sel_function option:selected").text(),
        "SeoKeywords": "test", //$('input[id=ctl00_PlaceHolderMain_txt_keywords]').val(),
        "Language1": $('input[id=ctl00_PlaceHolderMain_txt_language]').val(), //need to add this to the form
        "PrimaryOwner": peoplePicker_secondaryOwner.GetAllUserKeys(), //TODO: get the logged in user's login id
        "TimeZone1": $("#sel_timezone option:selected").val(),
        "TypeofTeamsite": $("input[name=type]:checked").val(),
        "URL": $('input[id=ctl00_PlaceHolderMain_txt_Url]').val()


    var outputstring = "Confirm and Submit<br />";

    for (var key in teamsiteValues) {
        if (teamsiteValues.hasOwnProperty(key)) {
            outputstring += key + " -> " + teamsiteValues[key] + '<br />';




function submitTeamsite()
    var url = _spPageContextInfo.siteAbsoluteUrl;
    //var url = "http://teams.cce.com"; //TODO: pull this value from configuration later
        url: url + "/_api/web/lists/getbytitle('" + listName + "')/items",
        type: "POST",
        contentType: "application/json;odata=verbose",
        data: JSON.stringify(teamsiteValues),
        headers: {
            "Accept": "application/json;odata=verbose",
            "X-RequestDigest": $("#__REQUESTDIGEST").val()
        success: function () { $('#message').text("Teamsite successfully submitted."); },
        error: function (jqXHR, textStatus, errorThrown) { $('#message').text("Update failed." + jqXHR.responseText + " " + errorThrown.toString()) }


Update: I have found the answer to most of my question. Regarding the URL field, that is passed in a javascript object with Description and Url properties.

 "URL": {
            "Description": $('input[id=ctl00_PlaceHolderMain_txt_Url]').val(),
            "Url": "http://teams.cce.com/" + $('input[id=ctl00_PlaceHolderMain_txt_Url]').val()

For the Choice field, just pass in the value and that works.

For the "person or group" field, it's not so clear. I get that we need to pass in a numeric id that corresponds to the user. I found that out though looking at the list item XML:

<d:PrimaryOwnerId m:type="Edm.Int32">2</d:PrimaryOwnerId> 

I am using a client-side people picker in the form app. Now, how do I get that ID from the people picker so that I can pass it to the REST query?

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Can you please elaborate on what you mean by "For the Choice field, just pass in the value and that works." I am doing what I think is what you say, and I get a "Method not allowed" –  Gerard Sexton Jul 3 '13 at 7:44
Ok, poking around some more got me the answer. For the choice field, your JSON should look like,{ ..., "columnNameValue":"newvalue",..} –  Gerard Sexton Jul 3 '13 at 8:05
After further research, I have found that the appropriate Id to send to the list to update the people picker can be gotten though the following for the current user. var context = new SP.ClientContext.get_current(); var web = context.get_web(); var user = web.get_currentUser(); user.get_id(); However, for any other user, it seems to be impossible to get the actual user object in CSOM or JSOM. So for now I am storing the current user in the picker, and other users in textfields. –  Mikel Jul 9 '13 at 20:08
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2 Answers 2

You need to write the ID to the field name as shown below.

Example: Field name = EmployeeName

You must write the user ID to EmployeeNameId

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it would be

"Person": {
    "results": "[1]"
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