Filter embedded report

Filter embedded report

How to filter embedded report in a page, below code is not working.
dateField => startDate & dateField=< endDate
The report should print on page containing records from startDate to endDate.

params='zc_Header=true&amp;Service_Date__gte=<%=startDate%>&amp;Service_Date__lte=<%=endDate%>'
32 33>
startDate and endDate are page variables.