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

hms_doctors.doctor_controller_addDoctor:
  path: '/doctor/add'
  defaults:
    _controller: '\Drupal\hms_doctors\Controller\DoctorController::addDoctor'
    _title: 'Add Doctor'
  requirements:
    _permission: 'access content'
    _role: 'administrator'