Report Trigger Firing Sequence

Report Trigger Firing Sequence:

Before Parameter :
 Fires before the Runtime Parameter Form are displayed. Can access the PL/SQL  global variables, report level columns and manipulate accordingly.

After Parameter:
 Fires after the Runtime Parameter form are displayed. Used to validate the parameter values.

Before Report:
 Fires before the report is executed but after the queries is parsed and date is fetched.

Between Pages:
 Fires before each page of the report are formatted, except the very first page. This page is used to customize page formatting.

After Report:
 Fires after the report previewer are exited, or after report output is sent to a specified destination