postgresql - postgres create trigger after insert but before delete? -

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i want call stored procedure in 3 different cases: after insert, after update , before delete. possible combine these cases 1 create trigger statement? (i know, won't work):

create trigger update_pntzzz3      after insert or update or before delete on onedee      each row      execute procedure update_pntzzz3();

right create new trigger delete case. 

create trigger update_pntzzz3      after insert or update on onedee      each row      execute procedure update_pntzzz3();  create trigger del_pntzzz3      before delete on onedee      each row      execute procedure update_pntzzz3();


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