gistfile1.txt

{# Parent #}

{% set sidemenu = { 'items':[{ 'title':'Dashboard','path':'admin_dashboard','icon':'clip-home-3' }] }|merge(sidemenu) %}



{# Child #}

{% set sidemenu = {
    'items':[
        {
            'title':'4 Level',
            'icon':'clip-folder-open',
            'items':[
                {
                    'title':'Sub menu 1',
                    'icon':'clip-folder-open',
                    'items':[
                        {
                            'title':'Sub menu 2',
                            'icon':'clip-folder-open',
                            'items':[
                                {
                                    'title':'Sub item',
                                    'icon':'clip-folder-open'
                                }
                            ]
                        }
                    ]
                }
            ]
        }
    ]
} %}