How to get the aggregate value last line only in voucher

Dear Developers..

iam using aggregate UDF in during voucher entry and then How to get the aggregate value last line only in voucher

but showing first line

any help me sir

;;;my code Below;;;;;


[Field:Vou Create Alter Date]

Use : Name Field
Set as:$$CollectionField:$AlterDtfldJrk:Last:EnterAlterLineAggr
Read Only:Yes
Skip :Yes
Width:7
Color:Red

[Field:Vou Create Alter Times]
Use : Name Field
Set as:$$CollectionField:$AlterTimefldJrk:Last:EnterAlterLineAggr
Read Only:Yes
Skip :Yes
Width:5
Color:Red

 

try This

Set as:$$CollectionField:$AlterDtfldJrk-1):EnterAlterLineAggr

 

Thank u sir .. it’s working