gridstack-8.x-2.5/modules/gridstack_ui/gridstack_ui.routing.yml

# The routing.yml file defines the routes for the management pages: collection,
# add, edit, delete.

gridstack.settings:
  path: '/admin/structure/gridstack/ui'
  defaults:
    _form: '\Drupal\gridstack_ui\Form\GridStackSettingsForm'
    _title: 'GridStack UI'
  requirements:
    _permission: 'administer gridstack'

entity.gridstack.collection:
  path: '/admin/structure/gridstack'
  defaults:
    _entity_list: 'gridstack'
    _title: 'GridStack Configuration'
  requirements:
    _permission: 'administer gridstack'

gridstack.optionset_page_add:
  path: '/admin/structure/gridstack/add'
  defaults:
    _entity_form: 'gridstack.add'
    _title: 'Add gridstack'
  requirements:
    _permission: 'administer gridstack'

entity.gridstack.edit_form:
  path: '/admin/structure/gridstack/{gridstack}'
  defaults:
    _entity_form: 'gridstack.edit'
    _title: 'Edit gridstack'
  requirements:
    _permission: 'administer gridstack'

entity.gridstack.duplicate_form:
  path: '/admin/structure/gridstack/{gridstack}/duplicate'
  defaults:
    _entity_form: 'gridstack.duplicate'
    _title: 'Duplicate gridstack optionset'
  requirements:
    _permission: 'administer gridstack'

entity.gridstack.delete_form:
  path: '/admin/structure/gridstack/{gridstack}/delete'
  defaults:
    _entity_form: 'gridstack.delete'
    _title: 'Delete gridstack'
  requirements:
    _permission: 'administer gridstack'