https://community.qlik.com/t5/Integration-Extension-APIs/Deleting-updating-a-task-trigger/td-p/2027203

Copy-QSReloadTasks.ps1

function Copy-QSReloadTasks {
	param
	(
		[Parameter(Mandatory = $true)]
		$SourceAppID,
		[Parameter(Mandatory = $true)]
		$DestinationAppID
	)
	
	#Get the Condensed Verion of the Reload Task
	$AppReloadTasks = Get-QSReloadtask -Filter "App.id eq $($SourceAppID)"
	foreach ($ReloadTask in $AppReloadTasks) {
		#Get the full version
		$ReloadTaskFull = Get-QSReloadtask -Id $ReloadTask.Id
		
		#Get the Schema Events for the Reload Task
		$SchemaEvents = Get-QSSchemaevent -Full -Filter "ReloadTask.id eq $($ReloadTask.Id)"
		
		#Get Destination App Condensed, Filter alway returns a Array so select first
		$DestinationApp = $(Get-QSApp -Filter "id eq $($DestinationAppID)") | Select-Object -First 1
		
		#Create a New Reload task, clearing the ID,Operational and relacing the App
		## You can further manipulate the Name etc here if needed.
		$NewRT = New-QSReloadTask -InputObject $ReloadTaskFull -Id ([guid]::Empty) -App $DestinationApp -Operational $Null
		
		#Add the New reload task to QlikSense
		$DestRTFull = Add-QSReloadtask -ReloadTaskObj $NewRT
		
		#Get New ReloadTask Condensed, Filter alway returns a Array so select first
		$DestRT = $(Get-QSReloadtask -Filter "id eq $($DestRTFull.id)") | Select-Object -First 1
		
		foreach ($Event in $SchemaEvents) {
			#Create a New Schema Event, clearing the ID,Operational and relacing the ReloadTask
			## You can further manipulate the Name etc here if needed.
			$NewQSSchemaEvent = New-QSSchemaEvent -InputObject $Event -Id ([guid]::Empty) -Operational $null -ReloadTask $DestRT
			
			#Add the schema event to the reload task
			$QSSchemaEvent = Add-QSSchemaevent -SchemaEventObj $NewQSSchemaEvent
		}
	}
}