Send custom events to azure event grid from powershell

postEventGridDemo1.ps1

<#
    .Synopsis
    Example code on how to post messages to a custom event grid topic

    .Notes
    part of a blog article on https://adatum.no
#>

$eventDate = get-date -Format s # get the date and time for the event. Has to be sortable for event grid to accept. Pass as a string
$eagSASkey = "HCDs7UFipbBXZ0OPc+mM=2" # access key.
$eventTopicURL = "https://adatumblogdemo.northeurope-1.eventgrid.azure.net/api/events" # Get this url from the azure portal
$eventID = Get-Random 99999 # generate a unique ID for the event

# raw json. Use Convertto-Json if you find that easier
$json = @"
[
  {
    "subject": "firstSubject",
    "id": $eventID,
    "eventType": "demo",
    "eventTime": "$eventDate",
    "data":{
      "name": "Donald"
    },
    "dataVersion": 1
  }
]       
"@

# Make the noise
Invoke-RestMethod -Uri $eventTopicURL -Method POST -Body $json -Headers @{"aeg-sas-key" = $eagSASkey} -ContentType 'Application/json'