crm_core-8.x-3.x-dev/modules/crm_core_activity/crm_core_activity.routing.yml

entity.crm_core_activity.collection:
  path: '/crm-core/activity'
  defaults:
    _controller: '\Drupal\Core\Entity\Controller\EntityListController::listing'
    entity_type: 'crm_core_activity'
    _title: 'Activities'
  requirements:
    _permission: 'view any crm_core_activity entity'

entity.crm_core_activity_type.collection:
  path: '/admin/structure/crm-core/activity-types'
  defaults:
    _controller: '\Drupal\Core\Entity\Controller\EntityListController::listing'
    entity_type: 'crm_core_activity_type'
    _title: 'Activity types'
  requirements:
    _permission: 'administer activity types'