function(properties, context) { const ep = new AWS.Endpoint('s3.wasabisys.com'); const s3 = new AWS.S3({endpoint: ep}); var uuid = require('uuid'); const presignedUpload = () =>{ let url = s3.getSignedUrl('putObject', { Bucket: 'izotope-test', Key: 'invoice.pdf', ContentType:'application/pdf', ACL: 'bucket-owner-full-control',//filename Expires: '100' //time to expire in seconds }); console.log(url); }; }