PowerShell to create a List View of a SharePoint List

Create-ListView.ps1

function Create-ListView()
{
    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()

            
        }
        catch
        {
            Write-Host "Error while getting context. Error -->> "  + $_.Exception.Message -ForegroundColor Red
        }
    }
    process{
        try
        {
            $viewQuery = '<GroupBy Collapse="TRUE" GroupLimit="30"><FieldRef Name="Title" /></GroupBy><OrderBy><FieldRef Name="Created" Ascending="FALSE" /></OrderBy><Where><Eq><FieldRef Name="YourField" /><Value Type="Boolean">1</Value></Eq></Where>' 
            $viewFields = New-Object System.Collections.Specialized.StringCollection  
            $viewFields.Add("Edit")
            $viewFields.Add("Title")
            $viewFields.Add("Created")
            $ViewInfo = New-Object Microsoft.SharePoint.Client.ViewCreationInformation
            $ViewInfo.Query = $viewQuery
            $ViewInfo.RowLimit = 50
            $ViewInfo.ViewFields = $viewFields 
            $ViewInfo.Title = $viewName
            $ViewInfo.SetAsDefaultView = $false

            

            $view = $list.Views.Add($ViewInfo)
            $context.Load($list.Views)
            $context.ExecuteQuery()
            Write-Host "View added successfully" -ForegroundColor Green

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

    
}

What is $credentials ? You should provide an example of your script execution.