functions/message/Unregister-PSFMessageColorTransform.ps1

function Unregister-PSFMessageColorTransform {
    <#
    .SYNOPSIS
        Removes a previously registered message color rule.
     
    .DESCRIPTION
        Removes a previously registered message color rule.
     
    .PARAMETER Name
        Name of the rule to remove.
     
    .EXAMPLE
        PS C:\> Get-PSFMessageColorTransform | Unregister-PSFMessageColorTransform
         
        Clears all message color rules..
    #>

    [CmdletBinding()]
    param (
        [parameter(Mandatory = $true, ValueFromPipeline = $true, ValueFromPipelineByPropertyName = $true)]
        [string[]]
        $Name
    )
    process {
        foreach ($conditionName in $Name) {
            $null = [PSFramework.Message.MessageHost]::ColorTransforms.TryRemove($conditionName, [ref]$null)
        }
    }
}