Default we only filter on column (equal =) then return parameter on
url, below is all items of Tasks list
Now we can filter (like query) data Equal than with structure: FilterField1=ID&FilterValue1=1&FilterOp1=Eq
FilterField1=ID&FilterValue1=1&FilterOp1=Neq
FilterField1=ID&FilterValue1=2&FilterOp1=Gt
FilterField1=ID&FilterValue1=2&FilterOp1=Geq
...
