MS Teams alert, triggered via webhook and PS script, does not want to parse the text on multiple lin-CodePudding

I'm trying to create a PS script that is supposed to post MS Teams alerts via webhooks, regarding some metrics. The current solution that I have almost made work is via a PSCustomObject, which is afterwards converted to JSON and used as the body of the alert. The below is the current code that I am using:

$JSONBody = [PSCustomObject][Ordered] @{
     "@type"     = "MessageCard"
     "title"     = "Alert Title"
     "text"      = "Alert 1: $alert1CountVariable
                    Alert 2: $alert2CountVariable
                    Alert 3: $alert3CountVariable"
}

$TeamsMessageBody = ConvertTo-Json $JSONBody -Depth 100

$parameters = @{
    "URI"          = '<Teams Webhook URI>'
    "Method"       = 'POST'
    "Body"         = $TeamsMessageBody
    "ContentType"  = 'application/json'
}

Invoke-RestMethod @parameters

Everything works as needed, but as you can see the text parameter within the PSCustomObject is supposed to parse the 3 alerts on 3 separate lines, which does not seem to happen whatever I try. I tried inserting the \n and \r operators (also tried \n and \r) and nothing works this far.

Another working method that I have is the following:

$Body = '{"text": "Alert 1: '   $alert1CountVariable  ' Alert 2: '   $alert2CountVariable  ' Alert 3: '   $alert3CountVariable  '"}'
$TeamsUrl = '<Teams Webhook URI>'
Invoke-WebRequest -Uri $TeamsUrl -Method Post -Body $Body -ContentType "application/json"

However, this also does not fully satisfy the criteria, as it still does not display the alets on separate lines and there is no title here.

Any advise on how I can make any of these two options work?

CodePudding user response：

The teams interface seems to accept HTML:

Please see your script adjusted below:

$JSONBody = [PSCustomObject][Ordered] @{
     "@type"     = "MessageCard"
     "title"     = "Alert Title"
     "text"      = "Alert 1: $alert1CountVariable <br>
                    Alert 2: $alert2CountVariable <br>
                    Alert 3: $alert3CountVariable"
}

$TeamsMessageBody = ConvertTo-Json $JSONBody -Depth 100

$parameters = @{
    "URI"          = '<Teams Webhook URI>'
    "Method"       = 'POST'
    "Body"         = $TeamsMessageBody
    "ContentType"  = 'application/json'
}

Invoke-RestMethod @parameters

I have inserted <br> at the end of each line which is a line break in HTML.