You can put values from logged in user (list of keys: ID, user_login, user_pass, user_nicename, user_email, user_url, user_registered, user_activation_key, user_status, display_name, nickname, first_name, last_name, description, rich_editing, syntax_highlighting, comment_shortcuts, admin_color, use_ssl, show_admin_bar_front, locale, wp_capabilities, wp_user_level, dismissed_wp_pointers, aim, yim, jabber, dbem_phone, aioseop_notice_time_set_review_plugin_cta, aioseop_notice_display_time_review_plugin_cta, aioseop_notice_time_set_conflicting_plugin, aioseop_notice_display_time_conflicting_plugin, wp_dashboard_quick_press_last_post_id, community-events-location, nav_menu_recently_edited, managenav-menuscolumnshidden, metaboxhidden_nav-menus, manageedit-eventcolumnshidden, meta-box-order_page, closedpostboxes_page, metaboxhidden_page, teasers_dismissed, wp_user-settings, wp_user-settings-time, meta-box-order_event, screen_layout_event, tribe_setDefaultNavMenuBoxes, meta-box-order_event-recurring, screen_layout_event-recurring, closedpostboxes_event-recurring, metaboxhidden_event-recurring, default_password_nag, aioseo_contact_methods_header, aioseo_twitter_url, aioseo_facebook_page_url, _aioseo_settings, manageedit-locationcolumnshidden, manageedit-event-recurringcolumnshidden, closedpostboxes_, metaboxhidden_, meta-box-order_dashboard, meta-box-order_, closedpostboxes_event, metaboxhidden_event, screen_layout_page, meta-box-order_location, screen_layout_location, _aioseo_plugin_review_dismissed, wp_persisted_preferences, session_tokens)
