Oracle apps Create the Fnd user using API in oracle apps

DECLARE
l_responsibility_id NUMBER;
l_application_id NUMBER;
l_user_id NUMBER := fnd_global.user_id;
x_user_id NUMBER;
l_password VARCHAR2 (2000) := 'welcome123';
BEGIN
apps.hr_user_acct_internal.create_fnd_user (p_user_name => 'dipak',
p_password => l_password,
p_employee_id => NULL,
p_user_id => x_user_id,
p_user_start_date => SYSDATE,
p_email_address => NULL,
p_description => NULL,
p_password_date => NULL
);
DBMS_OUTPUT.put_line (x_user_id);

IF x_user_id IS NOT NULL
THEN
UPDATE fnd_user
SET password_lifespan_days = 90
WHERE user_id = x_user_id;

COMMIT;
END IF;
END;


for attaching responsibility to the user please refer my  previous article ..of  ADDING RESPONSIBILITY TO USER FROM  BACKEND