This powershell script requires the JumpCloud Powershell Module, for new systems added in the last day those systems will be added to the beforeRename group.

AddToGroup.ps1

################################################################################
# For every system with a provisionerID, if acknowledged is false, add to the
# systemGroup "BeforeRename".
################################################################################
# Powershell script to run locally as new systems are added

# Variables
# BeforeRename System GroupID
$beforeRenameGroupID = 'replaceWithBeforeGroupID'
# After account rename group
$afterRenameGroupID = 'replaceWithAfterGroupID'


# Get systems added within the last day (change day period to select only specifc days)
$selectedSystems = Get-JCSystem -filterDateProperty created -dateFilter after -date (Get-Date).AddDays(-1)
# Get system ids in the group afterRename (we dont want to add systems we've already run rename on)
$systemsInAfterGroup = Get-JCsystemGroupMember -ByID $afterRenameGroupID | select-object { $_.to.id }

# For each system in $selectedSystems
foreach ($system in $selectedSystems) {
    # acknowledge the system to remove it from the topmost system list on devices page
    $headers = @{
        Accept      = "application/json";
        'x-api-key' = $ENV:JCApiKey;
    }
    $body = @{
        'acknowledged'   = 'true'
    } | ConvertTo-Json
    $acknowledged = Invoke-WebRequest -Method Put -Uri "https://console.jumpcloud.com/api/systems/$($system._id)" -Headers $headers -Body $body -ContentType 'application/json' -UseBasicParsing
    # Finally Add the system to the beforeRename system group
    if ($systemsInAfterGroup -match $system._id) {
        # Condition where the system was already in the AfterRename Group
        write-host "System: $($system._id) already in AfterRename group, skipping..."
    }
    else{
        # Add the system
        Add-JCSystemGroupMember -GroupID $beforeRenameGroupID -SystemID $system._id
    }
}