Export ARM Template outputs as pipeline vars

Convert-TemplateOutputsToPipelineVariables.ps1

$outputs= $env:ArmOutputs | convertfrom-json
$outputs

# Export pipeline variables for each ARM output value:
$props = ($outputs | Get-Member -MemberType NoteProperty)

foreach($p in $props) { 
   # this next line is to write one of these for each output value:
   # --> "##vso[task.setvariable variable=websiteName]web-abcdefghi"
   $name = $p.Name
   $value = $outputs.$name.value
   Write-Host "##vso[task.setvariable variable=$name]$value"
}