How to insert data using WCF service

Question

I have been searching and try out number of different articles regarding how to insert data using a wcf service. With every example I try I end up with errors. I need to created a wcf service and pass data to a database in a MVC 5 application. I'm currently using visual studio 2015 and sql Server 2014. If any one can put me in the right path that would be a great help.Thank you in advance