hospital_management-8.x-1.x-dev/web/modules/hms/hms_departments/hms_departments.routing.yml

hms_departments.add_departments_form:
  path: '/department/add'
  defaults:
    _form: '\Drupal\hms_departments\Form\AddDepartmentsForm'
    _title: 'Add Department'
  requirements:
    _access: 'TRUE'