Create a Task in SharePoint Task List using PowerShell
PowerShell Script to Create a New Task in SharePoint Task List:
This blog post will show you how to create a task in SharePoint Task List using PowerShell.
Add-PSSnapin Microsoft.SharePoint.PowerShell -ErrorAction SilentlyContinue
#Configuration Parameters
$WebURL="https://intranet.crescent.com"
$TaskListName="Tasks"
#Get web and List objects
$Web = Get-SPWeb $WebURL
$TaskList = $Web.Lists[$TaskListName]
$NewTaskItem = $TaskList.AddItem()
#Set value for Task list columns
$NewTaskItem["Title"] = "New Task"
$NewTaskItem["AssignedTo"]=$web.EnsureUser("Crescent\Salaudeen")
$NewTaskItem["StartDate"]= (Get-Date).ToShortDateString()
$NewTaskItem["DueDate"] =(Get-Date).AddDays(7)
$NewTaskItem["Status"]="Not Started"
$NewTaskItem["Priority"]= "(1) High"
$NewTaskItem["PercentComplete"]="0"
$NewTaskItem.Update()
Write-host "New Task Item Created Successfully!"
and here is the new task created in SharePoint 2016 task list: