Column Passing between dashboard pages using Column Format- Navigation

Question

I've been put in a tough spot due to an error in BI Publisher which I can't seem to fix and won't be discussing in this post, thus I'm trying to find an OBIEE work around that adheres to the client's heuristics requirements. So OBIEE dev's more experienced than I, lend me your wisdom.
I have a logical layout with two descriptive dimensions, a time dimension and a singular fact table. An explanation of the dashboard pages, their requests, prompts and other objects is below:
Dim 1
- Dim1 Key
- Dim 1 Descr
Dim 2
- Dim 2 Key
- Dim 2 Descr
Dim Date
- Typical Date blah blah
Fact
- Measure 1 (Count of Dim 2 Key)
Dashboard Page 1
- Prompt 1
- Request 1
Request 1
- Columns
     - Dim 1 Descr
     - Measure 1
     - Dim 1 Key (Hidden)
- Filters
- Dim 1 Key is Prompted
- Dim Date is Prompted
- Formatting
     - Dim 1 Descr navigates to Dashboard Page 2
Prompt 1
- Dim Date.Date is Between
Dashboard Page 2
- Prompt 2
- BI Pub Report 1
BI Pub Report 1
- Parameter
     - p_key (takes in Dim 1 Key)
Prompt 2
- Dim 1 Descr is Equal
- Dim 1 Key is Equal - populates presentation var: p_key
So the functionality I'm expecting is that the user starts on Dashboard Page 1 selects a date range from Prompt 1. Selects a row and navigates to Dashboard Page 2 by clicking on a Dim 1 Descr 1 value, which in turn passes the Dim 1 Descr value and the Dim 1 Key value (which is hidden) to Dashboard Page 2.
On Dashboard Page 2, Prompt 2's Dim 1 Descr and Dim 1 Key become the values passed from Dashboard Page 1 and p_key is populated with the value which Prompt 2 Dim 1 Key becomes. Lastly BI Pub Report 1 gets p_key from OBIEE, and runs displaying what it’s supposed to.
Currently everything works, except the passing of Dim 1 Key from Dashboard Page 1 to Dashboard Page 2. The question is, firstly, is it possible to pass Dim 1 Key without it being visible on Request 1 or without using Dim 1 Key as the point of navigation to Dashboard Page 2. If so, what of my above mentioned setup is incorrect? My guess is that I need Dim 1 Key in Prompt 1, but the client is adamant that I leave Prompt 1 alone, so any other options would be great.
I also know that the above is possible with GoUrl or PortalPath but since on the actual request there are multiple Navigation Target options, I'd like to avoid having to resort to GoUrl or PortalPath, but if this is the only method, how can multiple options be given using GoUrl or PortalPath?
Thanks in advance for any help.

Answer 1

Hi Karthick,
Thanks for the updated info. I tried what you suggested and unfortunately still no value passed. It seems hidden via OBIEE format options, hidden via CSS or unhidden the value is only passed if the navigation is set up on that particular field. So if I have two fields in the report and I want to click on Field 1 and pass Field 2, Field 2 will not be passed. I am going to try this on a up to date environment and see if it works, since the client is using a slightly outdated version of OBIEE.
Thanks for the suggestions so far,
Matt