How Can Create Place Holder In Report Builder

Create Place Holder (Used Function Data ) in Report Builder

Function CF_BANK_NAMEFormula return Char is
cursor c1 is
select
abb.BANK_NAME,
abb.BANK_BRANCH_NAME,
abb.ADDRESS_LINE1,
abb.ADDRESS_LINE2,
abb.ADDRESS_LINE3,
abb.CITY,
abb.ZIP,
aba.BANK_ACCOUNT_NAME,
aba.BANK_ACCOUNT_NUM
from
ap_invoice_payments_all aip,
ap_bank_branches abb,
ap_bank_accounts_all aba,
ap_checks_all ac
where
aip.CHECK_ID =ac.CHECK_ID and
ac.BANK_ACCOUNT_ID = aba.BANK_ACCOUNT_ID
and aba.BANK_BRANCH_ID = abb.BANK_BRANCH_ID
and aip.INVOICE_ID = :invoice_id;
vbank varchar2(150);
vaddr varchar2(1000);
vbranch varchar2(100);
vacc_name varchar2(100);
vacc_no varchar2(100);
begin
for i in c1
loop
vbank := i.bank_name||' '||vbank;
vaddr := i.ADDRESS_LINE1||chr(10)||i.ADDRESS_LINE2||chr(10)||
i.ADDRESS_LINE3||chr(10)||i.city||'-'||i.zip
||' '||vaddr;
vbranch := i.BANK_BRANCH_NAME||' '||vbranch;
vacc_name := i.BANK_ACCOUNT_NAME||' '||vacc_name;
vacc_no := i.BANK_ACCOUNT_NUM||' '||vacc_no;
end loop;
:CP_bank_acc_name := vacc_name; /*All Cp Name Is Place Holder*/

:CP_bank_acc_no := vacc_no;
:CP_branch_name := vbranch;
:CP_branch_addr := vaddr;
return vbank;
exception
when no_data_found then
return null;

end;