Trigger expression for under 2.5

Hi guys,
what is the expression to have the last price under 2.5 pre-match?

I understand it's football8 but how can I distinguish under pre-match?

"football8_r_1_last_last_traded" don't work

hi
your close.
r = rank
s = index
replace the r with s

mcbee

thanks now everything is simpler