profile_comment.created
A profile-scoped comment appeared (e.g. a new Google Business review or a published reply). Currently only fires for google_business profiles; fires once per new review across all locations of the account.
postWebhookprofile_comment.created
Payload
Response
Acknowledged
Changes
Webhooks have no change history: a webhook is keyed by its event name rather than a path and method, so no recorded change can name it.