try {
    var params = JSON.parse(value),
        request = new HttpRequest(),
        data,
        response,
        severities = [
            {name: 'not_classified', color: '#97AAB3'},
            {name: 'information', color: '#7499FF'},
            {name: 'warning', color: '#FFC859'},
            {name: 'average', color: '#FFA059'},
            {name: 'high', color: '#E97659'},
            {name: 'disaster', color: '#E45959'},
            {name: 'resolved', color: '#009900'},
            {name: 'default', color: '#000000'}
        ],
        priority;

    data = JSON.stringify(params);
    Zabbix.log(4, '[ Pushover Webhook ] Sending request: ' + params.endpoint + '\n' + data);

    request.addHeader('Content-Type: application/json');
    response = request.post(params.endpoint, data);

    Zabbix.log(4, '[ Pushover Webhook ] Received response with status code ' + request.getStatus() + '\n' + response);

    if (response !== null) {
        try {
            response = JSON.parse(response);
        }
        catch (error) {
            Zabbix.log(4, '[ Pushover Webhook ] Failed to parse response received from Pushover');
            response = null;
        }
    }

    if (request.getStatus() != 200 || response === null || typeof response !== 'object' || response.status !== 1) {
        if (response !== null && typeof response === 'object' && typeof response.errors === 'object'
                && typeof response.errors[0] === 'string') {
            throw response.errors[0];
        }
        else {
            throw 'Unknown error. Check debug log for more information.';
        }
    }

    return 'OK';
}
catch (error) {
    Zabbix.log(4, '[ Pushover Webhook ] Pushover notification failed: ' + error);
    throw 'Pushover notification failed: ' + error;
}