SharePoint Online: How to Hide a Column in Content Type using PowerShell?

#Load SharePoint CSOM Assemblies
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.dll"
Add-Type -Path "C:\Program Files\Common Files\Microsoft Shared\Web Server Extensions\16\ISAPI\Microsoft.SharePoint.Client.Runtime.dll"

#function to Hide Column From List Content Type in SharePoint Online
Function Hide-ColumnFromContentType()
{ 
    param
    (
        [Parameter(Mandatory=$true)] [string] $SiteURL,
        [Parameter(Mandatory=$true)] [string] $ListName,
        [Parameter(Mandatory=$true)] [string] $ContentTypeName,
        [Parameter(Mandatory=$true)] [string] $ColumnName
    )

    Try {
        $Cred= Get-Credential
        $Credentials = New-Object Microsoft.SharePoint.Client.SharePointOnlineCredentials($Cred.Username, $Cred.Password)

        #Setup the context
        $Ctx = New-Object Microsoft.SharePoint.Client.ClientContext($SiteURL)
        $Ctx.Credentials = $Credentials
        
        #Get the List
        $List = $Ctx.Web.Lists.GetByTitle($ListName)
        $Ctx.Load($List)
        $Ctx.ExecuteQuery()

        #Get the content type
        $ContentTypes = $List.ContentTypes
        $Ctx.Load($ContentTypes)
        $Ctx.ExecuteQuery()
        $ContentType = $ContentTypes | Where {$_.Name -eq $ContentTypeName}

        #Get the Field link from content type
        $FieldLinks =$ContentType.FieldLinks
        $Ctx.Load($FieldLinks)
        $Ctx.ExecuteQuery()
        $FieldLink = $FieldLinks | Where {$_.Name -eq $ColumnName}

        #Hide the Field link
        $FieldLink.Hidden = $True
        
        #Update Content type
        $ContentType.update($False)
        $Ctx.ExecuteQuery()

        Write-host "Column Hidden from the Content Type Successfully!" -ForegroundColor Green  
    }
    Catch {
        write-host -f Red "Error Hiding Column in Content Type!" $_.Exception.Message
    } 
} 

#Set parameter values
$SiteURL="https://crescent.sharepoint.com"
$ListName="Projects"
$ContentTypeName="Item"
$ColumnName="Priority"

#Call the function 
Hide-ColumnFromContentType -SiteURL $SiteURL -ListName $ListName -ContentTypeName $ContentTypeName -ColumnName $ColumnName

 $FieldLink.ShowInDisplayForm = $false 

#Config Variables
$SiteURL = "https://Crescent.sharepoint.com"
$ListName ="Team Documents"
$ContentTypeName ="Crescent Invoice Template V2"
$FieldName = "ProjectManager"

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get the Client Context
$Context = Get-PnPContext
 
#Get the content type from List
$ContentType = Get-PnPContentType -Identity $ContentTypeName -List $ListName

If($ContentType)
{
    #Get the Field from Content Type
    $ContentTypeField = $ContentType.Fields.GetByInternalNameOrTitle($FieldName)
    $Context.Load($ContentTypeField)
    $Context.ExecuteQuery()
 
    #Set Hidden Property of the field
    $ContentType.FieldLinks.GetById($ContentTypeField.Id).Hidden = $True
    $ContentType.Update($False) #Update children
    $Context.ExecuteQuery()
    Write-host -f Green "Field '$($ContentTypeField.Title)' Set to Hidden!"
}

$ContentType.FieldLinks.GetById($ContentTypeField.Id).Required = $True

#Config Variables
$SiteURL = "https://Crescent.sharepoint.com"
$ContentTypeName ="Crescent Project V2"
$FieldName = "ProjectManager" #Internal Name

#Connect to PnP Online
Connect-PnPOnline -Url $SiteURL -Credentials (Get-Credential)

#Get the Client Context
$Context = Get-PnPContext
 
#Get the content type
$ContentType = Get-PnPContentType -Identity $ContentTypeName -ErrorAction Stop
 
#Get the Field from Content Type
$ContentTypeField = $ContentType.Fields.GetByInternalNameOrTitle($FieldName)
$Context.Load($ContentTypeField)
$Context.ExecuteQuery()
 
#Set Hidden Property of the field
$ContentType.FieldLinks.GetById($ContentTypeField.Id).Hidden = $True
$ContentType.Update($True) #Update Children 
$Context.ExecuteQuery()
Write-host -f Green "Field '$($ContentTypeField.Title)' Set to Hidden!"