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Groovy templates is a templating engine for JavaScript. It lets you insert dynamic content in any text through the use of templates. A template contains variables and/or expressions, which get replaced with values when a template is rendered. This is very similar to JSP markup. 

On this page:

Groovy templates in JMWE 

Groovy templates in JMWE are used in:

• Comment issue and Comment linked issues post-function to create the body of the comment by selecting Groovy template as the Comment type
• Create/Clone issue post-function to:
  • Set fields of new issue by selecting Groovy template as the Value type and type and 
  • Add a comment to the current issue by selecting Groovy template as the Comment type
• Set field value to a constant or Groovy expression and Set field value of linked issues post-functions to set a field value by selecting Groovy template as the Value type
• Email issue post-function to write the Subject, HTML body and Text body
• Link issues to the current issue post-function to write JQL search expression

...

To output the result of a simple Groovy code, write your Groovy code as <%= some Groovy code %>. For example, <%= :

<%= issue.getKey() %>

To simply execute a Groovy code and not output the result, write your Groovy code as <% some Groovy code %>. For example:

<% issue.getKey() %>

You could also use $Groovy code, but only for a variable and not when a method is called on a variable. For example:

$currentUser() returns an ApplicationUser

$currentUser.name returns the name of the ApplicationUser

$currentUser.getName() returns an error

Groovy template examples

Write the issue key as a comment to the issue:

Issue key: <%= issue.get("issuekey") %>

Comment an issue based on the priority of the issue

<% if (issue.get("priority").name == "Critical") { %>
The priority of the issue is <%=issue.get("priority").name %>. So Look out!
<% } %>

To send an Email to the Voters and Watchers of the issue when the issue is resolved, write this is the Subject of the Email

Hi All,
<% if (issue.assignee)
{%>
The issue <%= issue.key%> has been resolved by <%=issue.assignee%>
<%}
else
{%>
The issue <%= issue.key%> has been resolved
<%}%>
Regards,
<%=issue.get("project")?.getLead()?.getDisplayName()%>

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