I'm using sp.js and I'm confused, how to update property of property? For example I have:

Item: { 
    Image: { 
        Url: 'xxx', 
        Description: 'xxx' 

I've tried .load(Item) and then image = Item.get_item('Image') but image.set_item('Url', 'smthnew') and .update() fails...

How to actually update Image.Url via .update()?

Thanks a lot!

  • show your whole code block
    – Mike
    May 12, 2017 at 17:17

1 Answer 1


Looks like this is Hyperlink or picture column.

To update it using JSOM, try the below code:

var clientContext  = new SP.ClientContext();          
var web = clientContext.get_web();          
var lists = web.get_lists();     
var oList = lists.getByTitle("TestList");     
oListItem = oList.getItemById(1);     
var urlValue = new SP.FieldUrlValue();
urlValue.set_description("custom image description");
oListItem.set_item("Image", urlValue);     
    }, function(){
  • Yes, looks valid, gonna try. Truly it is right. So each time I face some complex property I should find reflection of it in some sp object? Like URL object for this kind of field. Thanks
    – Appeiron
    May 12, 2017 at 18:16
  • Glad i could help ! Please consider marking it as answer :) Also, you can can follow this link Update list items using JSOM May 12, 2017 at 18:23
  • Well, at least now I know it's called JSOM -_-
    – Appeiron
    May 12, 2017 at 18:24

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