Q:

How to create a Custom Data Source in Google Analytics

How to create a custom Data Source in google analytics. I found this in this link https://www.youtube.com/watch?v=ubl9O4eOQQs, But Is this feature deprecated in version 3?

A:

The customDataSource can be found in Admin->Property Settings -> Data Importdata import->new Data set with following options.

user data 
campaign data
content data
geography data
content data
product data
custom data

