Functions/Tracing/Trace-CdsFunction.ps1

<#
    .SYNOPSIS
    Output verbose information about function call
#>

function Trace-CdsFunction {
    [CmdletBinding()]
    param
    (        
        [Parameter(Mandatory = $true)]
        [String]
        $Name,

        [Parameter(Mandatory = $true)]
        [ValidateSet("Start", "Stop")]
        [String]
        $Stage,

        [Parameter()]
        [object[]]
        $Parameters,

        [Parameter()]
        [System.Diagnostics.Stopwatch]
        $StopWatch
    )
    process {

        # Performance tuning
        $verbose = $VerbosePreference -ne 'SilentlyContinue';
        if(-not $verbose)
        {
            return;
        }

        $message = "[$Name]`t";
        if ($Stage -eq "Start") {
            $message += "Function started";
        }
        elseif ($Stage -eq "Stop") {
            $message += "Function stopped";  
            
            if ($StopWatch) {
                $message += "`t(Elapsed=$($StopWatch.Elapsed.TotalMilliseconds) ms)";
            }
        }
        else {
            $message += "Function $Stage";   
        }
        Write-HostAndLog -Message $message -Level "VERB" -ForegroundColor Gray;

        if ($Parameters) {
            ($Parameters).Keys | ForEach-Object {
                $value = (Get-Variable -Name $_ -ErrorAction SilentlyContinue).Value;
                if ($value.length -gt 0) {
                    Write-HostAndLog -Message  "[$Name]`t>`tParam : $($_) => $($value)" -Level "VERB" -ForegroundColor DarkGray;
                }
            }
        }
    }
}

Export-ModuleMember -Function Trace-CdsFunction -Alias *;