functions/inbox/Set-TssInboxMessageRead.ps1

function Set-TssInboxMessageRead {
    <#
    .SYNOPSIS
    Mark inbox messages as read or unread
 
    .DESCRIPTION
    Mark one or more inbox messages of the current user as read, or as unread with -Unread.
    Returns True when the server accepted the change.
 
    .PARAMETER TssSession
    TssSession object created by New-TssSession for authentication
 
    .PARAMETER Id
    Inbox message IDs
 
    .PARAMETER Unread
    Mark the messages as unread instead of read
 
    .EXAMPLE
    $session = New-TssSession -SecretServer https://alpha -Credential $ssCred
    Set-TssInboxMessageRead -TssSession $session -Id 112, 113
 
    Mark inbox messages 112 and 113 as read
 
    .EXAMPLE
    $session = New-TssSession -SecretServer https://alpha -Credential $ssCred
    Search-TssInboxMessage -TssSession $session -ReadStatus Read -MessageTypeId 4 | Set-TssInboxMessageRead -TssSession $session -Unread
 
    Mark every read message of inbox message type 4 as unread
 
    .LINK
    https://thycotic-ps.github.io/thycotic.secretserver/commands/inbox/Set-TssInboxMessageRead
 
    .LINK
    https://github.com/thycotic-ps/thycotic.secretserver/blob/main/src/functions/inbox/Set-TssInboxMessageRead.ps1
 
    .NOTES
    Requires TssSession object returned by New-TssSession
    #>

    [CmdletBinding(SupportsShouldProcess)]
    [OutputType('System.Boolean')]
    param (
        [Parameter(Mandatory, ValueFromPipeline, Position = 0)]
        [Thycotic.PowerShell.Authentication.Session]
        $TssSession,

        [Parameter(Mandatory, ValueFromPipelineByPropertyName)]
        [Alias('MessageId')]
        [int[]]
        $Id,

        [switch]
        $Unread
    )
    begin {
        $tssParams = $PSBoundParameters
        $invokeParams = . $GetInvokeApiParams $TssSession
    }
    process {
        Get-TssInvocation $PSCmdlet.MyInvocation
        if ($tssParams.ContainsKey('TssSession') -and $TssSession.IsValidSession()) {
            Compare-TssVersion $TssSession '10.9.000000' $PSCmdlet.MyInvocation
            $restResponse = $null
            $uri = $TssSession.ApiUrl, 'inbox', 'update-read' -join '/'
            $invokeParams.Uri = $uri
            $invokeParams.Method = 'POST'
            $body = @{
                data = @{
                    messageIds = @($Id)
                    read       = -not $Unread
                }
            }
            $invokeParams.Body = $body | ConvertTo-Json -Depth 100
            if ($PSCmdlet.ShouldProcess("Inbox message: $($Id -join ', ')", "$($invokeParams.Method) $uri with:`n$($invokeParams.Body)`n")) {
                Write-Verbose "Performing the operation $($invokeParams.Method) $uri with:`n$($invokeParams.Body)`n"
                try {
                    $apiResponse = Invoke-TssApi @invokeParams
                    $restResponse = . $ProcessResponse $apiResponse
                } catch {
                    Write-Warning 'Issue with Set-TssInboxMessageRead request'
                    $err = $_
                    . $ErrorHandling $err
                }
                if ($null -ne $restResponse) {
                    [System.Convert]::ToBoolean($restResponse)
                }
            }
        } else {
            Write-Warning 'No valid session found'
        }
    }
}