Retrive Data Of Sessions attributed to marketing

[IanDevNew]

Hello Everyone,

I am developing one custom Shopify Application for Analytics and Report for Shopify. I am done with data Display for Google Analytics and Facebook, Now I want to Retrieve Data Of Sessions attributed to marketing, I want to display this data on my Shopify report, but unable to find any related API or Guidelines, Can Someone please help me how can I manage this task, All I want to display Sessions attributed to marketing report display in my App Dashboard. 

Thanks in Advance.