Get user and runtime

TO get user submitted the report and run time with date:

In before parameter trigger

Define two variables:
xuser varchar2(30);
xrundate varchar2(30);

begin
   

    select REQUESTOR,to_char(request_date,'DD-Mon-YY HH24:MI')|| 'Hrs' into xuser,xrundate from   FND_CONC_REQ_SUMMARY_V where REQUEST_ID =  :P_CONC_REQUEST_ID;
:cp_user := nvL(xuser,'');
:cp_rundate := xrundate; 

end;