[SharePoint 2013] Subscribe report within SharePoint mode

 param([string]$path, [string]$fileName, [string]$storage)
 
 $description = "Save in $storage as $fileName."
 
 $matchData31 = '<?xml version="1.0" encoding="utf-16" standalone="yes"?><ScheduleDefinition xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><StartDateTime xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer">2017-01-01T23:00:00.000+01:00</StartDateTime><MonthlyRecurrence xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer"><Days>31</Days><MonthsOfYear><January>true</January><March>true</March><May>true</May><July>true</July><August>true</August><October>true</October><December>true</December></MonthsOfYear></MonthlyRecurrence></ScheduleDefinition>'
 
 $matchData30 = '<?xml version="1.0" encoding="utf-16" standalone="yes"?><ScheduleDefinition xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><StartDateTime xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer">2017-01-01T23:00:00.000+01:00</StartDateTime><MonthlyRecurrence xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer"><Days>30</Days><MonthsOfYear><April>true</April><June>true</June><September>true</September><November>true</November></MonthsOfYear></MonthlyRecurrence></ScheduleDefinition>'
 
 $matchData28 = '<?xml version="1.0" encoding="utf-16" standalone="yes"?><ScheduleDefinition xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><StartDateTime xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer">2017-01-01T23:00:00.000+01:00</StartDateTime><MonthlyRecurrence xmlns="http://schemas.microsoft.com/sqlserver/reporting/2010/03/01/ReportServer"><Days>28</Days><MonthsOfYear><February>true</February></MonthsOfYear></MonthlyRecurrence></ScheduleDefinition>'
 
 $eventType = "TimedSubscription"
 $extension = "Report Server DocumentLibrary"
 $webServiceUri = "http://server/_vti_bin/ReportServer/ReportService2010.asmx"
 
 $rs2010 = New-WebServiceProxy -Uri $webServiceUri -Namespace SSRS.ReportingService2010 -UseDefaultCredential
 
 $parameters = New-Object -TypeName System.Collections.Generic.List[SSRS.ReportingService2010.ParameterValue]
 $deliverySettings = New-Object -TypeName SSRS.ReportingService2010.ExtensionSettings
 $parameterValues = New-Object -TypeName System.Collections.Generic.List[SSRS.ReportingService2010.ParameterValueOrFieldReference]
 
 $parameterFileName = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterFileName.Name = "FILENAME"
 $parameterFileName.Value = $fileName
 $parameterValues.Add($parameterFileName)
 
 $parameterFileExtn = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterFileExtn.Name = "FILEEXTN"
 $parameterFileExtn.Value = $true
 $parameterValues.Add($parameterFileExtn)
 
 $parameterTitle = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterTitle.Name = "TITLE"
 $parameterTitle.Value = $fileName
 $parameterValues.Add($parameterTitle)
 
 $parameterFormat = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterFormat.Name = "RENDER_FORMAT"
 $parameterFormat.Value = "EXCELOPENXML"
 $parameterValues.Add($parameterFormat)
 
 $parameterMode = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterMode.Name = "WRITEMODE"
 $parameterMode.Value = "Overwrite"
 $parameterValues.Add($parameterMode)
 
 $parameterAutoCopy = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterAutoCopy.Name = "AUTOCOPY"
 $parameterAutoCopy.Value = $false
 $parameterValues.Add($parameterAutoCopy)
 
 $parameterPath = New-Object -TypeName SSRS.ReportingService2010.ParameterValue
 $parameterPath.Name = "PATH"
 $parameterPath.Value = $storage
 $parameterValues.Add($parameterPath)
 
 $deliverySettings.Extension = $extension
 $deliverySettings.ParameterValues = $parameterValues.ToArray()
 
 $subscriptions = $rs2010.ListSubscriptions($path)
 
 if($subscriptions.Count -eq 0){
     $subscription31 = $rs2010.CreateSubscription($path, $deliverySettings, $description, $eventType, $matchData31, $parameters.ToArray())
     Write-Host $subscription31
 
     $subscription30 = $rs2010.CreateSubscription($path, $deliverySettings, $description, $eventType, $matchData30, $parameters.ToArray())
     Write-Host $subscription30
 
     $subscription28 = $rs2010.CreateSubscription($path, $deliverySettings, $description, $eventType, $matchData28, $parameters.ToArray())
 
     Write-Host $subscription28
 }