Help setting up custom e-commerce connection to My.Shiprush

hi
I want to integrate the shiprush in my website. I have downloaded the kit and also follow instructions. I have integrated the access token in my ship rush account and also get the dummy data in my account now i want to get the records from the database. I am confuse how to get it. Kindly provide me information

ShipRush_ShoppingCart_Integration_Kit__See_README_ file