Azure ARM template that dumps output variable value

azure-arm-template-dump-output-variable.ps1

$template = @{
    '$schema' = "http://schema.management.azure.com/schemas/2015-01-01/deploymentTemplate.json#"
    contentVersion = "1.0.0.0"
    parameters = @{}
    variables = @{}
    resources = @(
    )
    outputs = @{
        example = @{
            value = "[resourceGroup()]"
            type = "object"
        }
    }
}
ConvertTo-Json -InputObject $template -Depth 1024 | Out-File -File template.json -Force
$result = (New-AzureRmResourceGroupDeployment -ResourceGroupName $ResourceGroup -TemplateFile template.json)
$result.Outputs.example.Value.ToString()