o365-2.0.3/modules/o365_outlook_mail/o365_outlook_mail.module

<?php

/**
 * @file
 * Implemented hooks for the o365_outlook_mail module.
 */

/**
 * Implements hook_o365_auth_scopes().
 */
function o365_outlook_mail_o365_auth_scopes(array &$scopes) {
  $scopes[] = 'Mail.Read';
  $scopes[] = 'Mail.ReadBasic';
  $scopes[] = 'Mail.ReadWrite';
}

/**
 * Implements hook_theme().
 */
function o365_outlook_mail_theme($existing, $type, $theme, $path) {
  return [
    'o365_outlook_mail_list' => [
      'variables' => [
        'list' => NULL,
        'readmore_class' => NULL,
      ],
      'render element' => 'children',
    ],
    'o365_outlook_mail_list_block' => [
      'variables' => [
        'list' => NULL,
        'readmore_class' => NULL,
      ],
      'render element' => 'children',
    ],
    'o365_outlook_mail_item' => [
      'variables' => [
        'from' => NULL,
        'subject' => NULL,
        'receivedDateTime' => NULL,
        'bodyPreview' => NULL,
        'isRead' => NULL,
        'webLink' => NULL,
      ],
      'render element' => 'children',
    ],
  ];
}