Need Help to Fetch Broker Name from Sales Order in Sales Invoice

i am working on Broker Module where Broker is added in the Sales Order. And When we are doing sales of that order no Broker name should come. Please Review my code. I am unable to fetch that broker name . All the files of code is attached



[#Field: VCHBATCH BilledQty]


Background:red
Color:blue

[#Line: STKVCH Batch2]
;Right Fields: VCHBATCH Godown, VCHBATCH Name,+
; VCHBATCH ActualQty, VCHBATCH BilledQty,VCHBATCH ClosureInv,VCHBatch PreClsBalance, VCHBATCH Closure, VCH OrderClosureDate, VCH RateIncl, VCHBATCH Rate, VCHBATCH RateUnits, VCHBATCH ItemRate, VCHBATCH Discount, VCHBATCH ItemDiscount, VCHBATCH Value, VCHBATCH AddlValue
Add:Right Field:After:VCHBATCH BilledQty:VCHBroker


[Field:VCHBroker]
Use : Name Field
Width : 15
Set always : Yes
Set as:$SalesOrderBroker

[system : Formula]
Rightreference:$Reference=$OrderNo

[collection : asssalesordersrc]
Type : vouchers : vouchertype
child of : $$vchtypesalesorder
Belongs to : yes
;Fetch : voucherNumber, Date, Reference, inventoryentries,SalesOrderBroker, accountingentries
Filter : Rightreference

 

PLease help me . Anyone please help

 

try this
[Field:VCHBroker]
Use : Name Field
Width : 15
Set always : Yes
Set as:$SalesOrderBroker:Ledger:$PartyLederName