K2 is a SharePoint App to integrate a K2 environment with a SharePoint 2013 Environment. This allows the users to easily build, deploy and run customized business applications without writing code. To learn more about K2 and to set up K2 in SharePoint 2013 Online please go through this link.
In this article you will see how to create a simple K2 Workflow from SharePoint 2013 Online list. I have created a custom list named “K2 Workflow Tutorials”. You will see how to create a simple K2 workflow from this custom list. Note: I have already added the K2 to SharePoint App.
K2 Workflow Tutorials list