How should you design the pipeline?

You are designing a basket abandonment system for an ecommerce company.

The system will send a message to a user based on these rules:

– No interaction by the user on the site for 1 hour

– Has added more than $30 worth of products to the basket

– Has not completed a transaction

You use Google Cloud Dataflow to process the data and decide if a message should be sent.

How should you design the pipeline?
A . Use a fixed-time window with a duration of 60 minutes.
B . Use a sliding time window with a duration of 60 minutes.
C . Use a session window with a gap time duration of 60 minutes.
D . Use a global window with a time based trigger with a delay of 60 minutes.