For anyone still looking for help on this - I have mashed together the solutions provided by nealgs and by werowance. Sanitised version below. This will scramble the password and send an email as nealgs's did previously. param([string]$site="",[string]$ssid="",[string]$action="") [System.Net.ServicePointManager]::SecurityProtocol = [System.Net.SecurityProtocolType]::Tls12 -bor [System.Net.SecurityProtocolType]::Tls11 #Email settings. Copied from old v0 script. function sendMail([string]$txtbody) { #SMTP server name $smtpServer = "add your o365 mail server (domainame.mail.protection.outlook.com)" #Creating a Mail object $msg = new-object Net.Mail.MailMessage #Creating SMTP server object $smtp = new-object Net.Mail.SmtpClient($smtpServer) #Email structure $msg.From = "enter your FROM address" $msg.Bcc.Add("enter your BCC address") $msg.To.Add("enter your TO address") $msg.subject = "enter your SUBJECT" $msg.body = $txtbody $msg.IsBodyHTML=$true #Sending email $smtp.Send($msg) } #Create a random password for the SSID. Copied from old v0 script. function Get-RandomCharacters($length, $characters) { $random = 1..$length | ForEach-Object { Get-Random -Maximum $characters.length } $private:ofs="" return [String]$characters[$random] } function Scramble-String([string]$inputString) { $characterArray = $inputString.ToCharArray() $scrambledStringArray = $characterArray | Get-Random -Count $characterArray.Length $outputString = -join $scrambledStringArray return $outputString } function updateWiFiPSK ([string]$s_id, [string]$w_id, [string]$newpassword) { [Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12 # PSK = New password $data = @{ "psk" = $newpassword } #Convert data to Json format $jbody = ConvertTo-Json -InputObject $data #Combine base URL and ssid $request_uri = $base_uri2 + $networks_uri + $s_id + "/wireless/ssids/" + $w_id $r = Invoke-WebRequest $request_uri -Method:Put -Headers $header_org -Body $jbody return $r } function Get-SiteID { #get site id $request_uri = $base_uri + $networks_uri $r = Invoke-WebRequest $request_uri -Method:Get -Headers $header_org $json = $r | ConvertFrom-Json for($i=0;$i -lt $json.count;$i++) { if ($site -eq $json[$i].name) { #Copied the next 3 lines from old v0 script Write-host "Network Name : " $json[$i].name Write-host "id : " $json[$i].id Write-host "Type : " $json[$i].type $s_id = $json[$i].id } } return $s_id } function Get-WiFiSSID ([string]$s_id) { #get wifi network ID from site requested if ($s_id -ne "") { $request_uri = $base_uri2 + $networks_uri + $s_id + "/wireless/ssids/" $r = Invoke-WebRequest $request_uri -Method:Get -Headers @{"X-Cisco-Meraki-API-Key"="ADD YOUR API KEY HERE"} -ContentType "application/json" $z = $r | ConvertFrom-Json for($i=0;$i -lt $z.count;$i++) { If ($z[$i].name -eq $ssid) { #Copied the next 3 lines from old v0 script Write-host "SSID Name : " $z[$i].name Write-host "SSID# : " $z[$i].number Write-host "Current PSK : " $z[$i].psk #write-output $z[$i].psk > c:\trash.txt $w_id = $z[$i].number } } } return $w_id } #Copied from old v0 script function createPassword { $password = Get-RandomCharacters -length 4 -characters 'abcdefghiklmnoprstuvwxyz' $password += Get-RandomCharacters -length 2 -characters 'ABCDEFGHKLMNOPRSTUVWXYZ' $password += Get-RandomCharacters -length 2 -characters '1234567890' #$password += Get-RandomCharacters -length 2 -characters '!$%&()?}][{@#+' #Write-Host $password return Scramble-String $password } # setup some global static stuff $base_uri = "ADD URI HERE" ## E.G. n345.meraki.com/api/v1/organizations/xxxxxx/ $base_uri2 = "ADD URI2 HERE" ## E.G. https://n345.meraki.com/api/v1// $networks_uri = "networks/" #Meraki API KEY $api_key = "ADD API KEY HERE (This is the second time it needs to be added)" $header_org = @{"X-Cisco-Meraki-API-KEY" = $api_key;"Content-Type" = 'application/json'} $s_id = "" $w_id = "" $mode = "" If ($site -eq "" -or $ssid -eq "") { Write-Host "MerakiPSKTool - (c) 2019" Write-Host "" Write-Host "Site/SSID parameter is missing" Write-Host "Usage: MerakiPSKTool.ps1 -site <sitename> -ssid <ssidName> -action [Change | Display]" Write-Host "" exit } # if action not passed or is blank, set default mode to Display if ($action -eq "") { $action = "Display" } switch ($action) { {@("Display", "display") -contains $_ } { "Displaying Wifi details" $mode = "display" } {@("Change", "change") -contains $_ } { $mode = "change" } default { "MerakiPSKTool.ps1" } } # get ID of the site passed in params (set a default value if no site passed) $s_id = Get-SiteID If ($s_id -ne "") { # get id of Wifi network that password is to be changed for $w_id = Get-WifiSSID($s_id) #Write-Host "Site ID : " $s_id " | Wifi #: " $w_id } if ($mode -eq "change") { # Generate a new complex password $newpassword = createPassword $result = updateWiFiPSK $s_id $w_id $newpassword #Get the current date and save it as a variable $curDate = get-date -format "dddd dd/MM/yyyy" # build email message body and send it if ($result.StatusCode -eq 200) { Write-Host "Sending Email" $txtbody = "<html><body>" $txtbody = $txtbody + "The new daily password for " + $ssid + " at " + $site + " is:<br><br><b><font size=30 color=green>" $txtbody = $txtbody + $newpassword + "</font></b>" $txtbody = $txtbody + "<br><br>Here is some body text that you can change if you want." $txtbody = $txtbody + "<br><br>Today's date is " + $curDate + "." $txtbody = $txtbody + "<br><br>This is another line of body text." $txtbody = $txtbody + "</body></html>" #Write-Host $txtbody # send the email sendMail $txtbody } else { Write-Host "Password change failed for " + $ssid + " at " + $site } } ... 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