Zabbix Documentation 2.4

object event.acknowledge(object/array parameters)

This method allows to acknowledge events and add an acknowledgement message. If an event is already acknowledged, a new message will still be added.

(object/array) Parameters containing the IDs of the events acknowledge and a message.

(object) Returns an object containing the IDs of the acknowledged events under the eventids property.

Acknowledge a single event and leave a message.

Request:

{
    "jsonrpc": "2.0",
    "method": "event.acknowledge",
    "params": {
        "eventids": "20427",
        "message": "Problem resolved."
    },
    "auth": "038e1d7b1735c6a5436ee9eae095879e",
    "id": 1
}

Response:

{
    "jsonrpc": "2.0",
    "result": {
        "eventids": [
            "20427"
        ]
    },
    "id": 1
}

CEvent::acknowledge() in frontends/php/include/classes/api/services/CEvent.php.