opencase/modules/opencase_cases/opencase_cases.links.menu.yml

opencase_cases.manage_case_types:
  title: 'Manage case types'
  description: 'Configure types of cases and their fields'
  menu_name: opencase
  parent: opencase.opencase_admin_menu 
  url: internal:/admin/opencase/oc_case_type
  weight: 2
# Case menu items definition
entity.oc_case.collection:
  title: 'Case list'
  route_name: entity.oc_case.collection
  description: 'List Case entities'
  parent: system.admin_structure
  weight: 100


# Case type menu items definition
entity.oc_case_type.collection:
  title: 'Case type'
  route_name: entity.oc_case_type.collection
  description: 'List Case type (bundles)'
  parent: system.admin_structure
  weight: 99



# Actor-Case Relation menu items definition
entity.oc_actor_case_relation.collection:
  title: 'Actor-Case Relation list'
  route_name: entity.oc_actor_case_relation.collection
  description: 'List Actor-Case Relation entities'
  parent: system.admin_structure
  weight: 100


# Actor-Case Relation type menu items definition
entity.oc_actor_case_relation_type.collection:
  title: 'Actor-Case Relation type'
  route_name: entity.oc_actor_case_relation_type.collection
  description: 'List Actor-Case Relation type (bundles)'
  parent: system.admin_structure
  weight: 99