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

hms_patients.patients_controller_addPatient:
  path: '/patient/add'
  defaults:
    _controller: '\Drupal\hms_patients\Controller\PatientsController::addPatient'
    _title: 'Add Patient'
  requirements:
    _permission: 'access content'