ZOOM Form In Oracle Form Personalization

1)Open CUSTOM.pll go to the function called zoom_available
and write the following code in the palce of "Real Code Starts Here"

form_name varchar2(30) := name_in('system.current_form');
block_name varchar2(30) := name_in('system.cursor_block');
begin
if (form_name = 'POXRQERQ' and block_name = 'PO_REQ_HDR') then
return TRUE;
else
return FALSE;
end if;

2)Goto the Event Procedure and write the follwing code in the place of "Real Code Starts here"

form_name varchar2(30) := name_in('system.current_form');
block_name varchar2(30) := name_in('system.cursor_block');
begin

if (event_name = 'ZOOM') then
if (form_name = 'POXRQERQ' and block_name = 'PO_REQ_HDR') then
fnd_function.execute(function_name => 'PO_POXRQVRQ',
open_flag => 'Y');
end if;
end if;

3)Save the CUSTOM.pll and compile this Execute the CUSTOM.pll
4)Copy both .pll and .plx into the Resource folder
(close the Application before copying into the Application).