Example --

 -- Create Employee
 -- -------------------------

DECLARE

 
 lc_employee_number                       PER_ALL_PEOPLE_F.EMPLOYEE_NUMBER%TYPE    := 'PRAJ_01';
 ln_person_id                                      PER_ALL_PEOPLE_F.PERSON_ID%TYPE;
 ln_assignment_id                             PER_ALL_ASSIGNMENTS_F.ASSIGNMENT_ID%TYPE;
 ln_object_ver_number                     PER_ALL_ASSIGNMENTS_F.OBJECT_VERSION_NUMBER%TYPE;
 ln_asg_ovn                                          NUMBER;
 
 ld_per_effective_start_date             PER_ALL_PEOPLE_F.EFFECTIVE_START_DATE%TYPE;
 ld_per_effective_end_date              PER_ALL_PEOPLE_F.EFFECTIVE_END_DATE%TYPE;
 lc_full_name                                        PER_ALL_PEOPLE_F.FULL_NAME%TYPE;
 ln_per_comment_id                          PER_ALL_PEOPLE_F.COMMENT_ID%TYPE;
 ln_assignment_sequence                 PER_ALL_ASSIGNMENTS_F.ASSIGNMENT_SEQUENCE%TYPE;
 lc_assignment_number                    PER_ALL_ASSIGNMENTS_F.ASSIGNMENT_NUMBER%TYPE;
 
 lb_name_combination_warning   BOOLEAN;
 lb_assign_payroll_warning           BOOLEAN;
 lb_orig_hire_warning                       BOOLEAN;

BEGIN
           hr_employee_api.create_employee
           (   -- Input data elements 
               -- ------------------------------
               p_hire_date                                         => TO_DATE('08-JUN-2011'),
               p_business_group_id                      => fnd_profile.value_specific('PER_BUSINESS_GROUP_ID'),
               p_last_name                                       => 'TEST',
               p_first_name                                       => 'PRAJKUMAR',
               p_middle_names                              => NULL,
               p_sex                                                     => 'M',
               p_national_identifier                       => '183-09-6723',
               p_date_of_birth                                 => TO_DATE('03-DEC-1988'),
               p_known_as                                       => 'PRAJ', 
               -- Output data elements 
               -- --------------------------------
               p_employee_number                         => lc_employee_number,
               p_person_id                                         => ln_person_id,
               p_assignment_id                                => ln_assignment_id,
               p_per_object_version_number       => ln_object_ver_number,
               p_asg_object_version_number       => ln_asg_ovn,
               p_per_effective_start_date               => ld_per_effective_start_date,
               p_per_effective_end_date                => ld_per_effective_end_date,
               p_full_name                                         => lc_full_name,
               p_per_comment_id                            => ln_per_comment_id,
               p_assignment_sequence                  => ln_assignment_sequence,
               p_assignment_number                     => lc_assignment_number,
               p_name_combination_warning    => lb_name_combination_warning,
               p_assign_payroll_warning            => lb_assign_payroll_warning,
               p_orig_hire_warning                        => lb_orig_hire_warning 
        );
 
    COMMIT;

EXCEPTION
      WHEN OTHERS THEN
                    ROLLBACK;
                    dbms_output.put_line(SQLERRM);
END;
/

SHOW ERR;