XML element has namespace, my XPATH does not work

Question

I was given the following XML:

Answer 1

In XPath, you have to assign a prefix to the namespace. How you do that depends on the XPath software/library you are using, but assuming you associate the namespace URI http://some_url with the namespace prefix someUrl, you can change your XPath expression as follows:

/root/items/item/details/someUrl:data