Mapping tdline at item level

I tried to generate mulitple target notes based on count (10) of tdlines on each item level

E1EDP01>E1EDPT1>E1EDPT2>TDLINE

Using the following udf

int count = Integer.parseInt(segcount[0]);

for (int i=0; i<count; i= i+10)

{

result.addValue("");

}

I have two E1EDPT1>E1EDPT2>TDLINE(with 5 tdlines) segments on source on each E1EDPO1 segments . Expecting two Notes segments on each item level on target

But I am getting all four Notes in first item level only

mapping .(TDlinecontext set to E!ETPT1) .I tried and changed to E1DP01 then i got only one segment on each item

TDLine>count>udf.>removecontext>Notes

Thanks for your help