i waana create parameterized function with trigger its simple function which is help

[prashant16]

create or replace function p1() returns trigger as
$body$
begin
---
update fixed_asset set circle_id=Irrigation_potential_details.circle_id from Irrigation_potential_details
where fixed_asset.division_id =Irrigation_potential_details.division_id;

update minor_scheme_details set circle_id=Irrigation_potential_details.circle_id from Irrigation_potential_details
where minor_scheme_details.division_id=Irrigation_potential_details.division_id;

update consumer_additional_details set circle_id=Irrigation_potential_details.circle_id from Irrigation_potential_details
where consumer_additional_details.division_id= Irrigation_potential_details.division_id;
return null;
end
$body$
language plpgsql
-----------------