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For email notifications sets ReplyTo value
$jirassimo.emailPriority($value)
For email notifications sets Email Priority (X-Priority header value)
$jirassimo.userHasRole(projectRoleName, projectKey, jiraUsername)
Checks if a Jira user referenced by jiraUsername has a project-specific role with name projectRoleName in a project whose key is projectKey. Example of use in this wiki article