aggrid-8.x-1.x-dev/aggrid.links.action.yml

entity.aggrid.add_form:
  route_name: entity.aggrid.add_form
  title: 'Add ag-Grid Config Entity'
  appears_on:
    - entity.aggrid.collection

entity.aggrid.collection:
  route_name: entity.aggrid.collection
  title: 'ag-Grid Config Entities for structure and default rows'
  appears_on:
    - entity.aggrid.add_form
    - entity.aggrid.edit_form