How to pass multiple field/column values from a collapsed column while doing Drill Down to another report?

Hi,

I've searched this issue in other similar posts but didn't get any resolution till now.

I have a report that has displays records in first SSRS report like:

Country     Area         Total (this field values has Drill Down links to another report)

APAC           Australia    90

                   Bhutan      30

                   India          80

CANADA                        500

So, now when I click on 1st record value i.e. 90, value 'Australia' is passed to the other report.

But when I click on collapsed APAC total, all 3 values (i.e. Australia, Bhutan, India) do not pass, instead only 1st value is passed, i.e. Australia.

How can I pass all 3 values here?

Thanks.

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