EventBridge rule not firing for conversation.updated events

NICE CXone API & Integrations
1

I’ve got an EventBridge rule set to catch conversation.updated events, but the Lambda never triggers. The pattern looks right in my head. Here is the JSON:

{
 "source": ["genesys.cloud"],
 "detail-type": ["Conversation Updated"],
 "detail": {
 "type": ["call"]
 }
}

Retrying the event works locally, so permissions are fine. Is the detail structure different for calls? I’m staring at the docs but missing something obvious.