VivaAPI.ps1

$bearerToken = "Enter Token"

$Headers = @{ Authorization=("Bearer " + $bearerToken) }
$CommunityName = "Demo"
$Private = "false"
$CreateCommunity = Invoke-RestMethod –Uri "https://www.yammer.com/api/v1/groups.json?name=$CommunityName&private=$Private" –Method Post -Headers $headers
 

    $body = @"
    {
     "body": "Original message posted by Kari Nordmann - 19.062023 16:45

This is the old message. Im just testing the Yammer API to see whats possible.",
     "group_id" : $($CreateCommunity.id)
     }
"@
    
    $CreateMessage = Invoke-RestMethod –Uri "https://www.yammer.com/api/v1/messages.json" –Method Post -Headers $headers -Body $body -ContentType "application/json"


        $body = @"
        {
         "body": "Original message posted by Ola Nordmann - 20.06.2023 08:45
    
    This is a reply.",
         "replied_to_id": "$($CreateMessage.messages.id)"
         }
"@
        
        $CreateReply = Invoke-RestMethod –Uri "https://www.yammer.com/api/v1/messages.json" –Method Post -Headers $headers -Body $body -ContentType "application/json"