Set Modern Page as a Home Page in SharePoint Online

To Set Modern Page as a Home Page in SharePoint Online you can use the following Code from SharePoint Online PowerShell:

$siteUrl = "Your Site Url"

$password="Your Username"

$username="Your Password"

$WelcomePageUrl ="Welcome Page Url" #SitePages/WelcomePage.aspx

#Add Reference dlls

Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.dll"

Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\15\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

Import-Module Sharegate

#Set Connectivity Information

write-host "Connecting to SharePoint "$siteUrl

$pwd =  convertto-securestring $password -asplaintext -force

$ctx = New-Object Microsoft.SharePoint.Client.ClientContext($siteUrl) 

$credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($username, $pwd)

$ctx.Credentials = $credentials

#Set Welcome Page

    $web = $ctx.Web

    $rootFolder = $web.RootFolder; 

    $rootFolder.WelcomePage = $WelcomePageUrl;

    $rootFolder.Update();

    $ctx.ExecuteQuery();