Add Content Type to List using NINTEX Workflow in SharePoint 2013 Online

Please refer my previous article to learn more about creating NINTEX workflow.

We will be adding the content type to SharePoint list by calling the web service _vti_bin/lists.asmx.

Workflow Design:

 

Web Request Action:

Web Request Action

Soap Action:

Soap Action

Result: 

The content type is added successfully to the SharePoint list.