const fetch = require('node-fetch');

let url = 'https://api.coralogix.com/mgmt/openapi/v3/alert-defs/123e4567-e89b-12d3-a456-426614174000';

let options = {method: 'GET', headers: {Authorization: 'Bearer <API_KEY>'}};

fetch(url, options)
  .then(res => res.json())
  .then(json => console.log(json))
  .catch(err => console.error('error:' + err));

{
  "alertDef": {
    "alertDefProperties": {
      "activeOn": {
        "dayOfWeek": [
          "DAY_OF_WEEK_MONDAY_OR_UNSPECIFIED"
        ],
        "endTime": {
          "hours": 14,
          "minutes": 30
        },
        "startTime": {
          "hours": 14,
          "minutes": 30
        }
      },
      "deleted": false,
      "description": "Alert description",
      "enabled": true,
      "entityLabels": [
        {
          "key": "<string>",
          "value": "<string>"
        }
      ],
      "groupByKeys": [
        [
          "key1",
          "key2"
        ]
      ],
      "incidentsSettings": {
        "minutes": 30,
        "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED"
      },
      "logsImmediate": {
        "logsFilter": {
          "simpleFilter": {
            "labelFilters": {
              "applicationName": [
                "<any>"
              ],
              "severities": [
                "<any>"
              ],
              "subsystemName": [
                "<any>"
              ]
            },
            "luceneQuery": "<string>"
          }
        },
        "notificationPayloadFilter": [
          [
            "obj.field"
          ]
        ]
      },
      "name": "My Alert",
      "notificationGroup": {
        "destinations": [
          {
            "connectorId": "connector_id_example",
            "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED",
            "presetId": "preset_id_example",
            "resolvedRouteOverrides": {},
            "triggeredRoutingOverrides": {}
          }
        ],
        "groupByKeys": [
          [
            "key1",
            "key2"
          ]
        ],
        "router": {
          "id": "123e4567-e89b-12d3-a456-426614174000",
          "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED"
        },
        "webhooks": [
          {
            "integration": {},
            "minutes": 15,
            "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED"
          }
        ]
      },
      "notificationGroupExcess": [
        {
          "destinations": [
            {
              "connectorId": "connector_id_example",
              "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED",
              "presetId": "preset_id_example",
              "resolvedRouteOverrides": {},
              "triggeredRoutingOverrides": {}
            }
          ],
          "groupByKeys": [
            [
              "key1",
              "key2"
            ]
          ],
          "router": {
            "id": "123e4567-e89b-12d3-a456-426614174000",
            "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED"
          },
          "webhooks": [
            {
              "integration": {},
              "minutes": 15,
              "notifyOn": "NOTIFY_ON_TRIGGERED_ONLY_UNSPECIFIED"
            }
          ]
        }
      ],
      "phantomMode": false,
      "priority": "ALERT_DEF_PRIORITY_P5_OR_UNSPECIFIED",
      "type": "ALERT_DEF_TYPE_LOGS_IMMEDIATE_OR_UNSPECIFIED"
    },
    "alertVersionId": "<string>",
    "createdTime": "2023-10-01T12:00:00.000Z",
    "id": "123e4567-e89b-12d3-a456-426614174000",
    "lastTriggeredTime": "2023-10-01T12:00:00.000Z",
    "status": "ALERT_DEF_STATUS_UNSPECIFIED",
    "updatedTime": "2023-10-01T12:00:00.000Z"
  }
}