Create a User in Jira

import com.atlassian.jira.application.ApplicationKeys

Users.create('jbloggs', 'jbloggs@mail.com', 'Joe Bloggs')

Users.create('bob', 'bob@mail.com', 'Mr Bob') {
    setDirectoryId(1)
    withApplicationAccess(ApplicationKeys.SERVICE_DESK, ApplicationKeys.SOFTWARE)
    setPassword('secret')
}