curl --location 'https://your-api-server.com' \
--header 'Content-Type: application/json' \
--data '{
"event": "SiteSessionCanceled",
"version": 1,
"source": {
"type": "SiteSession",
"data": {
"id": "{siteSessionId}",
"cancelDate": "{time iso8601}"
}
}
}'