#renderComment() not working

Description

The #renderComment() don' show comments. I was editing a template (based on Theme: Service Desk Request Resolved)
Is there any listing for the #render... commands?
Here is the template:
El caso creado a partir de su solicitud $!issue.summary ha sido resuelto

#if($!mailBody)

$!mailBody

#end #renderComment()

Environment

Atlassian JIRA Project Management Software (v7.2.1#72003-sha1:3448e6b)
On Debian 6

Preliminary Test Cases

None

Assignee

Tibor Hegyi

Reporter

Julio Daniel Moreyra

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Affects versions

Priority

Major
Configure