This sample demonstrates the new Grouping support for ListView Command Sets introduced in SPFx 1.23. It adds a grouped Status command (with Approve and Reject sub-commands) to the SharePoint modern list view toolbar and context menu.
Open this sample in the gallery (popup panel): Open in gallery
Source: https://github.com/pnp/sp-dev-fx-extensions/tree/main/samples/react-command-task-mgmt