social_group.add_member:
  route_name: 'entity.group_content.add_form'
  route_parameters:
    plugin_id: 'group_membership'
  class: '\Drupal\group\Plugin\Menu\LocalAction\WithDestination'
  title: 'Add members'
  appears_on:
    - 'view.group_manage_members.page_group_manage_members'
  cache_contexts:
    - 'route.group'
    - 'user.group_permissions'
    - 'user.permissions'
    - 'user.roles'
  cache_max_age: 0
