Update post-to-slack.ps1

post-to-slack.ps1

@@ -39,6 +39,10 @@ if($icon -ne "No icon given") {
 Write-Output "payload:"
 Write-Output "$payload"
 
+$body = ConvertTo-Json -Compress -InputObject $payload
+Write-Output "body:"
+Write-Output "$body"
+
 # 2020-05-23: As of 2020-05-04, Slack is blocking TLS connections using TLS v1.1 or lower.
 # This was causing Invoke-WebRequest to error out with a 404 / WebCmdletWebResponseException error.
 # This may only affect systems with certain version of .NET (which is what Invoke-WebRequest relies on under the hood), due to it affecting the system's default TLS version.
@@ -55,7 +59,7 @@ Write-Output "$payload"
 # https://docs.microsoft.com/en-us/powershell/module/microsoft.powershell.utility/invoke-webrequest?view=powershell-5.1
 #Invoke-WebRequest -Body (ConvertTo-Json -Compress -InputObject $payload) -UseBasicParsing -Method Post -Uri $webhook
 Invoke-WebRequest `
-	-Body (ConvertTo-Json -Compress -InputObject $payload) `
+	-Body $body `
 	-UseBasicParsing `
 	-Method Post `
 	-Uri $webhook