Xpath Function is not working

[sheril-infy]

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New Request regarding Xpath Match

Hi, I am trying to use XPath functions to capture value from the request and return it in the response. eg: string-length('hoverfly'), string(format-date(//Date/@ArrivalDate, '[M01]-[D01]-[Y0001]'))
But it's returning blank. Can anyone help with this?
Format I tried in response : {{ Request.Body "xpath" "string-length('hoverfly')" }}

Is this possible in Hoverfly?

[sheril-infy]

I have posted the same in https://gitter.im/SpectoLabs/hoverfly#

No response as of now.