Employees can create Official Duty request. Official Duty means employee will go any where outside of office (with in city, outside of city, outside of country) for office work and will complete office work from there. To create official duty request first of all, you need to define official duty request flow. Where you will define approving authorities (Who will approve official duty request) for official duty request. You can add different employees as approving authority. Official duty request will rotate from employee to employee as you define inflow.