Install Citrix Receiver Extension.ps1

##Add extension reg
$chromepath32 = "HKLM:\Software\Google\Chrome\Extensions"
$chromepath64 = "HKLM:\Software\Wow6432Node\Google\Chrome\Extensions"
$extension_id = "haiffjcadagjlijoggckpgfnoeiflnem"

if ($is64bit) {
    if (-not(Test-Path "HKLM:\Software\Wow6432Node\Google")){
        New-Item "HKLM:\Software\Wow6432Node" -Name "Google"
    }
    if (-not(Test-Path "HKLM:\Software\Wow6432Node\Google\Chrome")){
        New-Item "HKLM:\Software\Wow6432Node\Google" -Name "Chrome"
    }
    if (-not(Test-Path "HKLM:\Software\Wow6432Node\Google\Chrome\Extensions")){
        New-Item "HKLM:\Software\Wow6432Node\Google\Chrome" -Name "Extensions"
    }
    if (-not(Test-Path $chromepath64\$extension_id)){
        New-Item $chromepath64 -Name $extension_id
    }
    Set-Location "$chromepath64\$extension_id"
    New-ItemProperty -Path . -Name "update_url" -Value "https://clients2.google.com/service/update2/crx" -Force | Out-Null
}
else {
   if (-not(Test-Path "HKLM:\Software\Google")){
        New-Item "HKLM:\Software" -Name "Google"
    }
    if (-not(Test-Path "HKLM:\Software\Google\Chrome")){
        New-Item "HKLM:\Software\Google" -Name "Chrome"
    }
    if (-not(Test-Path "HKLM:\Software\Google\Chrome\Extensions")){
        New-Item "HKLM:\Software\Google\Chrome" -Name "Extensions"
    }
    if (-not(Test-Path $chromepath32\$extension_id)){
        New-Item $chromepath32 -Name $extension_id
    }
    Set-Location "$chromepath32\$extension_id"
    New-ItemProperty -Path . -Name "update_url" -Value "https://clients2.google.com/service/update2/crx" -Force | Out-Null
}

Learn how to get extension id and update_url at https://developer.chrome.com/extensions/external_extensions