Add Comment to an Issue with Visibility Restrictions

def issue = Issues.getByKey('SR-1')

issue.addComment('My comment') {
    // set the group that can view the comment
    setGroupRestriction('jira-administrators')

    // set the role that can view the comment
    // setProjectRoleRestriction('Developers')

    // for Jira Service Management projects, mark the comment as "Internal"
    // internal()
}