Filter functions insert filter member names in label objects. The fixed reference format for the function is:
<<filter SQLDataSourceName1,n>>
Where
n is the filter number in the order that is displayed in the SQL WHERE clause:
SELECT MONTH, PRODUCT, CITY, SALES, COGS FROM DETAILS WHERE PRODUCT = '100-10' AND MONTH = 'Aug'
<<filter ReportSQLDataSrc1, 0>> returns 100–10
<<filter ReportSQLDataSrc1, 1>> returns Aug