Concurrent Program Submission Through Backend

declare
l_request_id number(9) ;
begin
l_request_id := Fnd_Request.submit_request
( 'PO', -Concurrent Prog Application Name
'SQL-USERS', -Conccurrent Prog Short Name
'Users Data', -Concurrent Prog description '',
-start time '',
-sub request 1000,
-first parameter value 2000,
-second parameter value
'CREATION_DATE');-third parameter value
Commit;
if l_request_id = 0
then fnd_file.put_line(fnd_file.log,'Prograqm not sumitted Succesfully');
else
fnd_file.put_line(fnd_file.log,'Prograqm sumitted Succesfully Request ID ='l_request_id);
End If;
Exception
when others then
fnd_file.put_line(fnd_file.log,'Error occured during Porgram submission');
End ;

from Triggers
declare
l_request_id number(9) ;
begin
l_request_id := Fnd_Request.submit_request
( 'PO', -Concurrent Prog ApplciationName
'SQL-USERS', -Conccurrent Prog Short Name
'Users Data', -Concurrent Prog description '',
-start time '',
-sub request 1000,
-first parameter value 2000,
-second parameter value
'CREATION_DATE','','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','' '','','','','','','','','','');
Commit;
if l_request_id = 0 then
fnd_file.put_line(fnd_file.log,'Prograqm not sumitted Succesfully');
else
fnd_file.put_line(fnd_file.log,'Prograqm sumitted Succesfully Request ID ='l_request_id);
End If;
Exception
when others then
fnd_file.put_line(fnd_file.log,'Error occured during Porgram submission');
End ;
fnd_global.apps_initialize(user_id, Resp_id, Resp_appl_id);
-To initialize the Application Environment by specifying the UserID and RespID system will verify the User Access details based on that it will submit the Program.
1)fnd_Program.executable
2)fnd_program.register
3)fnd_program.request_group
4)fnd_program.add_to_group - Add concurrent Pogram to the Group
5)fnd_program.parameter - To create parameters for concurrent Program
6)fnd_program.incompatibility - TO attach Incompatibility Programs List
7)fnd_program.delete_group - To delete the Request Group
Any Table ,Procedure,Package,view any database Object starting with "FND" then it is relatedfor AOL(Application Obejct Library) , AOL ObjectSchema Name :APPLSYS"fnd" is nothing but foundation