PowerShellAzureFunction.ps1

using namespace System.Net

# Input bindings are passed in via param block.
param($Request, $TriggerMetadata)

# Write to the Azure Functions log stream.
Write-Host "PowerShell HTTP trigger function processed a request."

# Interact with query parameters or the body of the request.
$FirstName = $Request.Query.FirstName # Query based parameters
if (-not $FirstName) {$FirstName = $Request.Body.FirstName} # JSON Body (POST)
if (-not $FirstName) {$FirstName = $Request.Params.FirstName} # Route Template

$Surname = $Request.Query.Surname # Query based parameters
if (-not $Surname) {$Surname = $Request.Body.Surname} # JSON Body (POST)
if (-not $Surname) {$Surname = $Request.Params.Surname} # Route Template

if ($FirstName -and $Surname) {
    $status = [HttpStatusCode]::OK
    $body = "Hello $FirstName" + " $Surname"
}
else {
    $status = [HttpStatusCode]::BadRequest
    $body = "Please pass a name on the query string or in the request body."
}

# Associate values to output bindings by calling 'Push-OutputBinding'.
Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
    StatusCode = $status
    Body = $body
})