How to pass values to HANA View Parameter and Variable from Dashboard.

Hi,

Dashboard 4.1 SP5

IDT 4.1 SP5.

Have created a HANA View with few Variables and Parameters. And based on this view I have created a UNX.

I can successfully view the prompts in IDT and Webi generated by HANA View.

While creating a dashboard on top of this UNX in query browser I get the prompts similar to Webi.

But When mapping the prompts in dashboard to a excel cell the excel mapping icon is grayed out.

1. How to use the HANA Prompts in Dashboard.

2. Why the excel cell mapping icon is grayed out.

3. How I can pass values from dashboard to the Query with these prompts.

Or am I missing anything here.

Thanks

Deepak.