public/Get-OsQueryLoggedInUsers.ps1

function Get-OsQueryLoggedInUsers {
    <#
    .SYNOPSIS
        Retrieves currently logged-in user session information from osquery.
    .DESCRIPTION
        Queries the 'logged_in_users' table to return active login sessions
        including user, type, host, and login time.
    .PARAMETER ComputerName
        Remote computer to query. If not provided, queries locally.
    .EXAMPLE
        Get-OsQueryLoggedInUsers

        Returns all active login sessions on the local machine.
    .EXAMPLE
        Get-OsQueryLoggedInUsers -ComputerName "server01"

        Returns active sessions on a remote computer.
    #>

    [CmdletBinding()]
    param (
        [parameter(Mandatory=$false)][string]$ComputerName
    )
    $tablename = 'logged_in_users'
    $invokeParams = @{ Query = "SELECT * FROM $tablename;" }
    if (![string]::IsNullOrEmpty($ComputerName)) { $invokeParams.ComputerName = $ComputerName }
    Invoke-OsQueryTableQuery @invokeParams | Select-Object -Property *, @{Name = 'tablename'; Expression = { $tablename }}
}