Public/New/New-NinjaOneTicketComment.ps1

## WIP Untested Code

function New-NinjaOneTicketComment {
    <#
        .SYNOPSIS
            Creates a new ticket comment using the NinjaOne API.
        .DESCRIPTION
            Create a ticket comment using the NinjaOne v2 API.
        .FUNCTIONALITY
            Create Ticket Comment
        .OUTPUTS
            A powershell object containing the response.
    #>

    [CmdletBinding( SupportsShouldProcess, ConfirmImpact = 'Medium' )]
    [OutputType([Object])]
    [Diagnostics.CodeAnalysis.SuppressMessageAttribute('PSReviewUnusedParameter', '', Justification = 'Uses dynamic parameter parsing.')]
    Param(
        # The ticket Id to use when creating the ticket comment.
        [Parameter(Mandatory, Position = 0, ValueFromPipeline, ValueFromPipelineByPropertyName)]
        [Alias('id')]
        [Int]$ticketId,
        # An object containing the ticket comment to create.
        [Parameter(Mandatory, Position = 1)]
        [Object]$comment,
        # Show the ticket comment that was created.
        [Switch]$show
    )
    if ($Script:NRAPIConnectionInformation.AuthMode -eq 'Client Credentials') {
        throw ('This function is not available when using client_credentials authentication. If this is unexpected please report this to api@ninjarmm.com.')
        exit 1
    }
    try {
        $Ticket = Get-NinjaOneTicket -ticketId $ticketId
        if ($Ticket) {
            $Resource = ('v2/ticketing/ticket/{0}/comment' -f $ticketId)
        } else {
            throw ('Ticket with id {0} not found.' -f $ticketId)
        }
        $RequestParams = @{
            Resource = $Resource
            Body = $ticket
        }
        if ($PSCmdlet.ShouldProcess(('Ticket comment on ticket {0} ({1})' -f $Ticket.id, $Ticket.summary), 'Create')) {
            $TicketCreate = New-NinjaOnePOSTRequest @RequestParams
            if ($show) {
                return $TicketCreate
            } else {
                $OIP = $InformationPreference
                $InformationPreference = 'Continue'
                Write-Information ('Ticket comment on ticket {0} ({1}) created.' -f $Ticket.id, $Ticket.summary)
                $InformationPreference = $OIP
            }
        }
    } catch {
        New-NinjaOneError -ErrorRecord $_
    }
}