const AWS = require('aws-sdk');

const sns = new AWS.SNS({ region: 'eu-west-1' });

exports.handler = async function(event, context) {
    console.log('recieved event: ', event);
    try {
        let smsConfig = {
            attributes: {
                DefaultSenderID: 'SmartAgent',
                DefaultSMSType: 'Transactional',
            },
        };
        await sns.setSMSAttributes(smsConfig).promise();

        // Enter your details inbetween the single quotes below
        let PhoneNumber = ''; // <-- E164 format
        let Message = '';

        const publishParams = {
            PhoneNumber,
            Message,
        };
        await sns.publish(publishParams).promise();
    } catch (error) {
        console.log('Error sending SMS: ', error);
        throw new Error('Error sending SMS: ' + error);
    }
};