$uri='http://127.0.0.1:8081/sg200/poll'; $payload=@{ip=(Read-Host 'IP');user=(Read-Host 'User');pass=(&{$s=Read-Host 'Pass' -AsSecureString;$p=[Runtime.InteropServices.Marshal]::SecureStringToBSTR($s);try{[Runtime.InteropServices.Marshal]::PtrToStringBSTR($p)}finally{[Runtime.InteropServices.Marshal]::ZeroFreeBSTR($p)}})}|ConvertTo-Json -Compress; Invoke-RestMethod -Method Post -Uri $uri -ContentType 'application/json' -Body $payload | Format-List -Force