Redirect standard output in PowerShell or standard error output, allowing you to capture output from another program in PowerShell. https://lukestoolkit.blogspot.com/2021/02/redirect-standard-output-from-external.html

Redirect Standard Output of External Program to PowerShell

# Setup redirection
$StartInfo = New-Object System.Diagnostics.ProcessStartInfo -Property @{
                FileName = "$env:SystemRoot\System32\ping.exe"
                Arguments = "127.0.0.1"
                UseShellExecute = $false
                RedirectStandardOutput = $true    #If true redirects standard output from the application
                RedirectStandardError = $true    #If true redirects error output from the application
                CreateNoWindow = $true    #Should the process create its own window? Or should it be hidden?
            }

#Create process Object
$Process = New-Object System.Diagnostics.Process

#Assign the process parameters
$Process.StartInfo = $StartInfo


# Register Object Events to Receive Output
$OutEvent = Register-ObjectEvent -Action {
    if($Event.SourceEventArgs.Data -like "Reply from*"){
        Write-Host "New Data" -ForegroundColor Cyan
        Write-Host $Event.SourceEventArgs.Data
    }
} -InputObject $Process -EventName OutputDataReceived


$ErrEvent = Register-ObjectEvent -Action {
    if($Event.SourceEventArgs.Data -ne $null){
        Write-Host "Error" -ForegroundColor Red
        Write-Host $Event.SourceEventArgs.Data
    }
} -InputObject $Process -EventName ErrorDataReceived


$ExitEvent = Register-ObjectEvent -Action {
    Write-Host "Finished"
    
    # Unregister events
    $OutEvent.Name, $ExitEvent.Name, $ErrEvent.Name |
        ForEach-Object {Unregister-Event -SourceIdentifier $_}
} -InputObject $Process -EventName Exited

# Start process
if($Process.Start()){
# Begin output redirection
$Process.BeginOutputReadLine()
$Process.BeginErrorReadLine()
}