<?php

// paste this code in newly created file

    $admin_option_defs = array();
    $admin_option_defs['Administration']['custom_admin_panel'] = array(
        //Available icons are located in ./themes/default/images
        'Administration',

        //Link name label
        'LBL_LINK_NAME',

        //Link description label
        'LBL_LINK_DESCRIPTION',

        //Link URL - For Sidecar modules
        'javascript:parent.SUGAR.App.router.navigate("Contacts", {trigger: true});',
    );

    $admin_group_header[] = array(
        //Section header label
        'LBL_CUSTOM_SECTION_HEADER',

        //$other_text parameter for get_form_header()
        '',

        //$show_help parameter for get_form_header()
        false,

        //Section links
        $admin_option_defs,

        //Section description label
        'LBL_CUSTOM_SECTION_DESCRIPTION'
    );