YEOMAN Office Generator を使用して、このような垂直アドインを作成します。参考までに、このリンクを使用してください。
yeoman-office-generator の GitHub リンク。
そして、manifest.xml ファイルを以下のように変更します。
<?xml version="1.0" encoding="utf-8"?>
<OfficeApp xmlns=
"http://schemas.microsoft.com/office/appforoffice/1.1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:type="MailApp">
<Id>7856b76d-42c2-4b40-87df-c4bfb706246f</Id>
<Version>1.0</Version>
<ProviderName>Microsoft</ProviderName>
<DefaultLocale>en-us</DefaultLocale>
<DisplayName DefaultValue="Alore MailTracker"/>
<Description DefaultValue="Send and Track your emails.">
<Override Locale="fr-fr" Value="Send and track your emails with Alore Emailtracker."/>
</Description>
<!-- Change the following line to specify -->
<!-- the web serverthat hosts the icon file. -->
<IconUrl DefaultValue="https://localhost:3000/assets/icon-32.png"/>
<Hosts>
<Host Name="Mailbox" />
</Hosts>
<Requirements>
<Sets DefaultMinVersion="1.1">
<Set Name="Mailbox" />
</Sets>
</Requirements>
<FormSettings>
<Form xsi:type="ItemRead">
<DesktopSettings>
<!-- Change the following line to specify -->
<!-- the web server that hosts the HTML file. -->
<SourceLocation DefaultValue="https://localhost:3000/index.html" />
<RequestedHeight>216</RequestedHeight>
</DesktopSettings>
<TabletSettings>
<!-- Change the following line to specify -->
<!-- the web server that hosts the HTML file. -->
<SourceLocation DefaultValue="https://localhost:3000/index.html" />
<RequestedHeight>216</RequestedHeight>
</TabletSettings>
</Form>
<Form xsi:type="ItemEdit">
<DesktopSettings>
<!-- Change the following line to specify -->
<!-- the web server that hosts the HTML file. -->
<SourceLocation DefaultValue="https://localhost:3000/index.html" />
</DesktopSettings>
<TabletSettings>
<!-- Change the following line to specify -->
<!-- the web server that hosts the HTML file. -->
<SourceLocation DefaultValue="https://localhost:3000/index.html" />
</TabletSettings>
</Form>
</FormSettings>
<Permissions>ReadWriteItem</Permissions>
<Rule xsi:type="RuleCollection" Mode="Or">
<Rule xsi:type="RuleCollection" Mode="And">
<Rule xsi:type="RuleCollection" Mode="Or">
<Rule xsi:type="ItemIs" ItemType="Appointment" FormType="Read" />
<Rule xsi:type="ItemIs" ItemType="Message" FormType="Read" />
</Rule>
<Rule xsi:type="ItemHasRegularExpressionMatch"
PropertyName="BodyAsPlaintext" RegExName="VideoURL"
RegExValue="https://localhost:3000/resource.html" />
</Rule>
<Rule xsi:type="RuleCollection" Mode="Or">
<Rule xsi:type="ItemIs" ItemType="Appointment" FormType="Edit" />
<Rule xsi:type="ItemIs" ItemType="Message" FormType="Edit" />
</Rule>
</Rule>
</OfficeApp>