AEM - Set External Page Redirect that carries Query Parameters

Hi everyone,

Not sure if anyone else had come across this similar situation...

We want to leverage the "Page Redirect" placeholder page, or even the Redirect field in a page's Page Properties, to setup a "single/global redirect" to a sister website. However, we need to be able to pass-thru query parameters during that redirect.

So for example:

AEM == https://www.mysite.com/

Sister site == https://www.sistersite.com/

We'd like to have URLs that point to the sister site, and rather than always manually inputting their URL we'd like to setup an AEM webpage that redirects, so:

AEM page == https://www.mysite.com/content/gotosister --> https://www.sistersite.com/

The kicker is, current redirects using either the "Page Redirect" placeholder page or the Page Properties redirect strips out any Query Params that may be on it. Is there a way for it to retain/pass-thru query params? So:

https://www.mysite.com/content/gotosister?param=foo --> https://www.sistersite.com/?param=foo