How Do I Find Cart Id For Api

Hi all,

How do I find required cart id, customer details and abandoned url for API set up on cscart on multivendor ?

customer :Customer email in case of subscriber (e.g.

cartid :The cart ID. This ID is what links items to the cart they belong (e.g. 1234)

abandonurl: The cart's abandon url link when the user does not proceed with the purchase (e.g.

customerinfo: object - The customer's information.

Thanks for your time please see below.