crm_core-8.x-3.x-dev/modules/crm_core_activity/crm_core_activity.links.task.yml

entity.crm_core_activity.canonical:
  title: View
  route_name: entity.crm_core_activity.canonical
  base_route: entity.crm_core_activity.canonical

entity.crm_core_activity.edit_form:
  title: Edit
  route_name: entity.crm_core_activity.edit_form
  base_route: entity.crm_core_activity.canonical

entity.crm_core_activity_type.edit_form:
  title: Edit
  route_name: entity.crm_core_activity_type.edit_form
  base_route: entity.crm_core_activity_type.edit_form