A quick walk through on how to develop a visual studio extension & upload it on the Visual Studio marketplace. You would need: A visual studio team services account A text editor i.e. Notepad++ Latest version of node.js TFS Cross Platform Comamnd Line Interface (tfx-cli) to package your extensions A home directory for your project
In this blog you will see instructions on setting up integrating External Applications with QuickBooks Online here:
https://www.w3schools.com/bootstrap/ https://github.com/twbs/bootstrap
https://drive.google.com/drive/folders/0B-lKVCrlUoTIb2kxVEx1Z2Npdk0
https://app.pluralsight.com/library/courses/tfs-2015/table-of-contents
https://app.pluralsight.com/library/courses/biztalk-server2013-end-to-end/table-of-contents