create a parameter, add parameters to it.This 
procedure is used to pass parameters from Forms6i to 
Reports.

 
 
 
Trigger name:	when-button-pressed 
 
 
declare 
	cr_param paramlist; 
begin 
 
 cr_param := create_parameter_list('CREATEP'); 
 add_parameter(cr_param,'reg_pass',text_parameter, 
:gp.regno); 

 RUN_PRODUCT(REPORTS,'e:riaze_rzit_rept', 
ASYNCHRONOUS,RUNTIME,FILESYSTEM,CR_PARAM,NULL); 
 destroy_parameter_list(cr_param); 
end 
 
 
 
 
Report's Query 
 
Select * from it where rn=:reg_pass

hope it helps...