run webtask code with token claims

webtask1.js

return function (context, cb) {
    var AWS = require('aws-sdk');

    AWS.config.update({
        accessKeyId: context.secrets.ACCESS_KEY,
        secretAccessKey: context.secrets.SECRET_KEY,
        region: 'eu-west-1'
    });

    var sns = new AWS.SNS();
    var params = {
        Message: 'web token test',
        TopicArn: context.secrets.TOPIC_ID,
        Subject: 'web token test'
    };
    sns.publish(params, function (err, data) {
        if (err) {
            console.error("error");
            cb(null, err);
        } else {
            console.log("ok");
            cb(null, data);
        }
    });
}