Not able to unlink the links or anchor tag of Grapejs

 const rte = editor.RichTextEditor;
rte.add('Add-link', {
        icon: '<i class="fa fa-unlink"></i>',
        attributes: { title: 'unlink', class: 'gjs-rte-action' },
        event: 'click',
        result: (rte, action) => RemoveLink(rte)
    });

function RemoveLink(rte) {
    rte.exec('unlink');
}