chromium/chrome/browser/resources/new_tab_page/modules/v2/calendar/outlook_calendar_module.html

<ntp-module-header-v2
    id="moduleHeaderElementV2"
    header-text="$i18n{modulesOutlookCalendarTitle}"
    .menuItemGroups="${this.getMenuItemGroups_()}"
    more-actions-text="${this.i18nRecursive('',
                          'modulesMoreActions',
                          'modulesOutlookCalendarTitle')}"
    @disable-button-click="${this.onDisableButtonClick_}"
    @menu-button-click="${this.onMenuButtonClick_}">
</ntp-module-header-v2>