title: Problem in Uploading Image in Azure Blob Storage
body: <p>i am trying to upload an image to azure blob storage, the problem m facing is the image is getting successfully uploaded  but the name of the image on azure is randomly generated by the azure itself, i want to name the image myself from the code </p>
  
  <p>following is the code which i am using</p>
  
  <pre><code>var multer = require('multer')
  var MulterAzureStorage = require('multer-azure-storage')
  var upload = multer({
  storage: new MulterAzureStorage({azureStorageConnectionString:
  'DefaultEndpointsProtocol=https;AccountName=mystorageaccount;
  AccountKey=mykey;EndpointSuffix=core.windows.net',
  containerName: 'photos',
  containerSecurity: 'blob',
  fileName : ?//how to use this options properties
  })
  }  )
  </code></pre>