Deeplink and URL redirector

Hi there,

I am having trouble setting up the DeepLink module and URL redirector. I would like to open a page (request) in a new tab. This is how I set this up:

Microflow:

URL Redirector:

When trying to select the URL Attribute, I am not able to select IdRequest (Autonumber). I placed the URLRedirector inside a dataview of request. I can select all attributes of request except for IdRequest. I am getting the following error message:

 What am I doing wrong? Note that project security is turned of.

Thank you very much for your help!

Kind regards,

Tim