Run userprofile synchronization service through powershell

Below is a way to run userprofile service through powershell. This script wait for the completion of user profile service execution and let user know when it completes.

param(
 [string]$siteUrl
    )

function RunUserProfileSynchronization()
{     
   try 
   {
        $site= New-Object  Microsoft.SharePoint.SPSite($siteUrl)
        $serviceContext = [Microsoft.SharePoint.SPServiceContext]::GetContext($site)
        $configManager = New-Object Microsoft.Office.Server.UserProfiles.UserProfileConfigManager($serviceContext)

        if($configManager.IsSynchronizationRunning() -eq $false)
        {
            [DateTime] $lastoverallendtime= $configManager.GetSynchronizationStatus().LastOverallEndTime;
    
            Write-Host "Starting user profile synchronization"
            $configManager.StartSynchronization($false);
            Write-Host "User Profile synchronization is started"
            Write-Host "########################################################################";

            while($true)
            {
                Write-Host "Please wait it is still running............. "
                if($configManager.GetSynchronizationStatus().LastOverallEndTime -ne $null)
                {
                    # Below wait period is important to avoid SQL query threshhold
                    Start-Sleep -s 10   
                     if ($configManager.GetSynchronizationStatus().LastOverallEndTime -gt $lastoverallendtime)
                    {
                        Write-Host "Synchronization service completed below is overall status:- "
                        Write-Host "Lastoverallstarttime" $configManager.GetSynchronizationStatus().LastOverallStartTime;
                        Write-Host "Lastoverallendtime " $configManager.GetSynchronizationStatus().LastOverallEndTime;
                        Write-Host "Overallfailure" $configManager.GetSynchronizationStatus().OverallFailures;
                        Write-Host "Overallsuccess" $configManager.GetSynchronizationStatus().OverallSuccesses;
                
                        break;
                    }
             }
                else
                {   # Below wait period is important to avoid SQL query threshhold    
                    Start-Sleep -s 10
                }
             }
         }
        else
        {
        Write-Host "Already Synchronizing"
        }
        }
   catch
   {
         $ErrorMessage = $_.Exception.Message
         Write-Host  ($ErrorMessage) -ForegroundColor Red
   }
}

$snapin = Get-PSSnapin | Where-Object {$_.Name -eq 'Microsoft.SharePoint.Powershell'}
if ($snapin -eq $null) 
{
    Write-Output "Loading SharePoint Powershell Snapin" -ForegroundColor Green
    Add-PSSnapin "Microsoft.SharePoint.Powershell"
}

RunUserProfileSynchronization