Redirect to another page and set the error or success message from process

Question

I have a process that runs when a page is submitted. In the process I am catching an exception and if an exception occurs I want to redirect to a different page and display the error message of the exception. How can this be done?
Below is my code. The redirect works but I want to set an error message to display on page 765 which is a different page to the one with this process on.
begin
    -- some code here
exception when others then
    owa_util.redirect_url('f?p=&APP_ID.:765:&SESSION.::NO:::');
end;

Answer 1

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Please update your forum profile with a real handle instead of "973239".
I have a process that runs when a page is submitted. In the process I am catching an exception and if an exception occurs I want to redirect to a different page and display the error message of the exception. How can this be done?
Below is my code. The redirect works but I want to set an error message to display on page 765 which is a different page to the one with this process on.
begin
-- some code here
exception when others then
owa_util.redirect_url('f?p=&APP_ID.:765:&SESSION.::NO:::');
end;
Use the <tt>f</tt> function's <tt>notification_msg</tt> parameter to pass the error message in the URL:
  owa_util.redirect_url('f?p=&APP_ID.:765:&SESSION.::NO:::&notification_msg=' || apex_util.url_encode(l_error_msg)); 
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