How do I get a column name from a chart to get passed by a link to a tabular report?

I am currently using this query in the click url of the functional attributes section in display attributes on the chart, but the last section returns as text instead of replacing with the column name.

main?Oid=967&ReqType=Dialog&ObjectClass=com.aveksa.gui.objects.report.GuiReport&PageID=ViewReportDialogData_save&Action=New&P_Status=$SERIES$

P_Status is in my tabular report and is replaced if I put a filter there, for example c would bring the accounts ending in C, but it does not do this dynamically.