Triggering mail to the Assignees with the details like Summary, Key, Fix version, components and along with few custom fields in a table format are created using Jira automation rule as mentioned below. While in triggered mail few values are listing in table format but components, Fix version and custom fields values are not coming into the table but while checking with log function the values are getting fetched from the Jira and displayed in HTML but into the Table it was not listing
<html>
<body>
<table border="1" cellpadding="5">
<tr>
<th>Issue Key</th>
<th>Summary</th>
<th>Components</th>
<th>Fix Version</th>
<th>CCB Date</th>
<th>Created Date</th>
<th>Reporter</th>
<th>Assignee</th>
<th>Issue Origin</th>
</tr>
{{#lookupIssues}}
<tr>
<td>{{key}}</td>
<td>{{summary}}</td>
<td>{{issue.components.name}}</td>
<td>{{issue.fixVersions.name}}</td>
<td>{{issue.customfield_10833.shortDateTime}}</td>
<td>{{created.shortDateTime}}</td>
<td>{{reporter.displayName}}</td>
<td>{{assignee.displayName}}</td>
<td>{{issue.customfield_10912}}</td>
</tr>
{{/}}
</table>
</body>
</html>