WordPress 3.5 has been released recently, I used the WordPress Media Upload system via thickbox and `window.send_to_editor` for some options in my WordPress theme (backgrounds, logos etc...).

But as you know WordPress has integrated a new Media Manager, I wanted to used this new feature to upload images/files as custom fields. So I spent the morning to find a way to get the wished result.

I found with this solution, which can be useful for some of you. Thanks to give me your feedback on the code or any improvements you have in mind!

HTML Sample:

    &lt;a href=&quot;#&quot; class=&quot;custom_media_upload&quot;&gt;Upload&lt;/a&gt;
	&lt;img class=&quot;custom_media_image&quot; src=&quot;&quot; /&gt;
	&lt;input class=&quot;custom_media_url&quot; type=&quot;text&quot; name=&quot;attachment_url&quot; value=&quot;&quot;&gt;
	&lt;input class=&quot;custom_media_id&quot; type=&quot;text&quot; name=&quot;attachment_id&quot; value=&quot;&quot;&gt;


jQuery Code:

    $(&#39;.custom_media_upload&#39;).click(function() {
			
		var send_attachment_bkp = wp.media.editor.send.attachment;
			
		wp.media.editor.send.attachment = function(props, attachment) {
	
			$(&#39;.custom_media_image&#39;).attr(&#39;src&#39;, attachment.url);
			$(&#39;.custom_media_url&#39;).val(attachment.url);
			$(&#39;.custom_media_id&#39;).val(attachment.id);
				
			wp.media.editor.send.attachment = send_attachment_bkp;
		}
			
		wp.media.editor.open();
			
		return false;
	});

If you want to see every settings contained in the `attachment` variable you can do a `console.log(attachment)` or `alert(attachment)`.

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