hello sir, can anyone help adding buttons in register

hello sir,
can anyone help adding buttons like < insert voucher > & others in sales & Purchase register in tally prime
default in erp 9

 

[#Form:daybook]
add:Button:inserto

[Key:inserto]
TITLE:"Insert Voucher"

Key:Alt + i


[#Form:daybook]
add:Button:duplicato

[Key:duplicato]
TITLE:"Duplicate"

Key:Alt + 2

 

its working !! but how to add button on voucher

[#Form:daybook] instead of [#Form:SV Voucher ]

[#Form:SV Voucher ]
add:Button:deleto

[Key:deleto]
TITLE:"Delete"

Key:Alt + d

because i want delete option from voucher only ... not from daybook which i have stopped

 

All Ready Is In Prime 2.0.1

 

any screenshot where t activate it from

 

In Bottom Tool Bar

 

thank you sir !!

 

Set As : if $$IsPurchase:$VoucherTypeName then $Reference else if $PartyLedgerName=$BasicBuyername then "" else $BasicBuyername or if $$IsPayments or $$IsPayments :$VoucherTypeName then $Narration

i want to add this ---- please help