Sflow and Vdom

Hi,

I try to install sflow per Vdom on my Fortigate 600D under 5.2.10. I saw the command "config system-sflow" but it doesn't work on my side I have :

# config system vdom-sflow command parse error before 'vdom-sflow' Command fail. Return code 1 But, under "config global" the command "config system sflow" works. So is this command "vdom-sflow" removed from the firmware ? If so, how to use Sflow per vdom ? Many thanks for Help

Best Regards

Lal