Writing to Google Cloud Storage from PubSub using Cloud Dataflow using DoFn

Question

I am trying write Google PubSub messages to Google Cloud Storage using Google Cloud Dataflow. I know that TextIO/AvroIO do not support streaming pipelines. However, I read i

Answer 1

As of Beam 2.0, TextIO/AvroIO do support writing unbounded collections - see documentation, in particular, you have to specify withWindowedWrites().