How to trigger a azure web job from a web hook using powershell

$xmlProfile = [xml](Get-AzureRMWebAppPublishingProfile -ResourceGroupName "delete" -Name"testwebgirish" -OutputFile test.xml)

$userName = $xmlProfile.publishData.publishProfile[0].userName.Tostring()

$userPWD = $xmlProfile.publishData.publishProfile[0].userPWD.Tostring()

$url = $webJobs.url

$index = $url.IndexOf('triggeredwebjobs')

$webJobUrl = $url.Substring(0,$index) + "triggeredwebjobs/"

$webHookUrl = $webJobUrl + $webJobs.name + "/run"

$request = [System.Net.WebRequest]::Create($webHookUrl)

#$pair = "$userName"+":"+$userPWD+"

$auth =[System.Convert]::ToBase64String([System.Text.Encoding]::ASCII.GetBytes($userName+":"+$userPWD))

$request.Method = "POST"

$request.ContentLength = 0;

$request.Headers["Authorization"] = "Basic " + $auth

$response = $request.GetResponse()

$responsestream = $response.GetResponseStream();

[System.IO.StreamReader] $streamReader = New-Object System.IO.StreamReader -argumentList$responsestream;

[string] $results = $streamReader.ReadToEnd();