public/Enable-TvAlertSound.ps1

function Enable-TvAlertSound {
    <#
    .SYNOPSIS
        Enables chat notification sounds
 
    .DESCRIPTION
        Enables chat notification sounds. Only supported on Windows 5.1.
 
    .PARAMETER WhatIf
        Shows what would happen if the command would run
 
    .PARAMETER Confirm
        Displays (or disables using -Confirm:$false) a confirmation prompt
 
    .EXAMPLE
        PS> Enables-TvAlertSound
 
        Enables chat notification sounds
 
#>

    [CmdletBinding(SupportsShouldProcess)]
    param()
    process {
        if ($PSVersionTable.PSEdition -eq "Core") {
            Write-Warning "Not supported in PowerShell Core, setting config anyway"
        } else {
            # Remove empty soundfile property to enable notification alert for PowerShell 5.1
            $path = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Notifications\Settings\{1AC14E77-02E7-4E5D-B744-2EB1AE5198B7}\WindowsPowerShell\v1.0\powershell.exe\'
            $name = 'SoundFile'
            if ((Get-ItemProperty -Path $path | Select-Object -ExpandProperty $name -ErrorAction SilentlyContinue) -eq "") {
                $null = Remove-ItemProperty -Path $path -Name SoundFile
            }
        }

        if ($PSCmdlet.ShouldProcess("Executing Set-TvConfig -Sound Enabled")) {
            Set-TvConfig -Sound Enabled
        }
    }
}
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