SharePoint custom list view to show items inside a folder

New-ItemViewInsideFolders.ps1

function Create-ListViewInner()
{
    param(
        [Parameter(Mandatory=$true)][string]$url,
        [Parameter(Mandatory=$false)][System.Net.NetworkCredential]$credentials,
        [Parameter(Mandatory=$true)][string]$listName,
        [Parameter(Mandatory=$true)][string]$viewName
    )
    
    begin{
        try
        {
            #get Client Object
            $context = New-Object Microsoft.SharePoint.Client.ClientContext($url)
            $context.Credentials = $credentials

            #Retrieve List
            $list = $context.Web.Lists.GetByTitle($listName)
            $context.Load($list)
            $context.ExecuteQuery()

            $contentTypes = $context.Web.Lists.GetByTitle($listName).ContentTypes
            $context.Load($contentTypes)
            $context.ExecuteQuery()
            
            $ct = $contentTypes | Where {$_.Name -eq "Folder"}
        }
        catch
        {
            Write-Host "Error while getting context. Error -->> "  + $_.Exception.Message -ForegroundColor Red
        }
    }
    process{
        try
        {
            $viewQuery = '<OrderBy><FieldRef Name="Created" Ascending="FALSE" /></OrderBy>' 
            $viewFields = New-Object System.Collections.Specialized.StringCollection  
            $viewFields.Add("Title")
            $viewFields.Add("Field1")
            $viewFields.Add("Field2")
            $viewFields.Add("Field3")
            $ViewInfo = New-Object Microsoft.SharePoint.Client.ViewCreationInformation
            $ViewInfo.Query = $viewQuery
            $ViewInfo.RowLimit = 30
            $ViewInfo.ViewFields = $viewFields 
            $ViewInfo.Title = $viewName
            $ViewInfo.SetAsDefaultView = $false

            $view = $list.Views.Add($ViewInfo)
            $context.Load($view)
            $context.ExecuteQuery()
            
            $view.DefaultViewForContentType = $true
            $view.ContentTypeId = $ct.Id
            $view.Update()
            $context.Load($view)
            $context.ExecuteQuery()

            
            Write-Host "View " $viewName " in list " $listName " added successfully" -ForegroundColor Green

        }
        catch
        {
            Write-Host ("Error while creating view for a List. Error -->> " + $_.Exception.Message) -ForegroundColor Red
        }
    }
    end{
        $context.Dispose()
    }

    
}