Features used to implement the example

• Calculated Text Field

Example: Number of linked Bugs (with hyperlink)

Count the number of Bugs linked to current issue and display the result as a hyperlink referring to the equivalent search results in the issue navigator.

A valid configuration for this Calculated Text Field:

"<a href='"+%{00169}+"/issues/?jql=issue%20in%20linkedIssues(\""+%{00015}+"\")%20and%20type%3DBug'>" + count(filterByIssueType(linkedIssues(),"Bug")) + "</a>"

Note that:

• %{00169} is the field code for Jira Base URL
• %{00015} is the ield code for Issue key
  

Once configured and added to an issue screen, the result will look like this:

Clicking on the number leads to the issue navigator: