function(options){
    options.editorOptions.extraPlugins.push(CKEditor5.mention.Mention);
    options.editorOptions.mention = {
        dropdownLimit: apex.items.P1_LIMIT.value,
        feeds: [
            {
                marker: '@',
                feed: getUserItems,
                minimumCharacters: 1,
                itemRenderer: userItemRenderer
            }
        ]
    };
    return options;
}