$username = 'user@concepts.co.nz'
$password = 'password' # Your AT password
$password = ConvertTo-SecureString $password -AsPlainText -Force
$credentials = New-Object System.Management.Automation.PSCredential("\$username",$password)
$AutotaskURL = "https://webservices6.autotask.net/atservices/1.5/atws.wsdl"

"Connecting to Autotask Web API.."
$atws = New-WebServiceProxy -URI $AutotaskURL -Credential $credentials -Namespace ‘Autotask’ -Class ‘API’

"Connected. Creating ticket.."

$Ticket = New-Object Autotask.Ticket
$Ticket.AccountID = 4298 # IHC New Zealand Incorporated
$Ticket.ContactID = 31710644 # Support CCL contact for IHC
$Ticket.ContractID = 29688588
$Ticket.Description = 'IHC call received by CCL Service desk - Misdirected'
$Ticket.DueDateTime = Get-Date # Required
$Ticket.IssueType = 13 # Service Request
$Ticket.Priority = 3 # 0 = Error, 1, = P2, 2 = P3, 3 = P4, 4 = P1, 5 = Error
$Ticket.QueueId = 29683388 # SD - Premier
$Resource = $atws.query("<queryxml><entity>resource</entity><query><field>email<expression op=`"equals`">$username</expression></field></query></queryxml>").EntityResults[0]
$Ticket.AssignedResourceID = $Resource.id
$Ticket.AssignedResourceRoleID = $Resource.DefaultServiceDeskRoleID
$Ticket.Source = 2 # Call
$Ticket.Status = 5 # Complete
$Ticket.SubIssueType = 135 # User Administration
$Ticket.Title = 'IHC IT Support call'
$Ticket.Resolution = 'CCL Service Desk redirected call to shared services'
$Ticket.PurchaseOrderNumber = 'CCL-IHCN01'
$Ticket.TicketType = 1 # Service Request
$ResolvedBy = New-Object Autotask.UserDefinedField
$ResolvedBy.Name = 'Resolved By'
$ResolvedBy.Value = 'CCL Service Desk'
$Ticket.UserDefinedFields += $ResolvedBy

$ticket_result = $atws.create($Ticket)

if ($ticket_result.ReturnCode -eq 1) {
    "Ticket created. Ticket Number: $($ticket_result.EntityResults[0].TicketNumber)"
    $TimeEntry = New-Object Autotask.TimeEntry
    $TimeEntry.TicketID = $ticket_result.EntityResults[0].id
    $TimeEntry.Type = 2
    $TimeEntry.DateWorked = Get-Date # Required
    $TimeEntry.StartDateTime = Get-Date
    $TimeEntry.EndDateTime = (Get-Date).AddMinutes(15)
    $TimeEntry.HoursWorked = 0.2500
    $TimeEntry.HoursToBill = 0.2500
    $TimeEntry.OffsetHours = 0.0000
    $TimeEntry.SummaryNotes = 'CCL Service Desk redirected call to shared services'
    $TimeEntry.ResourceID = $Resource.id
    $TimeEntry.RoleID = $Resource.DefaultServiceDeskRoleID
    $TimeEntry.NonBillable = $false

    $timeentry_result = $atws.create($TimeEntry)

    if ($timeentry_result.ReturnCode -eq 1) {
        "TimeEntry created."
        "Script completed successfully."
    } else {
        $timeentry_result.Errors
        "Error - TimeEntry has NOT been created."
    }
} else {
    $ticket_result.Errors
    "Error - Ticket has NOT been created."
}