Create a Logging Sink Pub/Sub for the topic

1. Go to the Log Router page in the Google Cloud console.

1. Select the project to create the sink in. If you are using an aggregated sink, you will want to select a folder or an organization instead.

1. Click Create sink.

1. While walking through the wizard steps, Select Cloud Pub/Sub topic for your Sink Destination Service and choose the topic you created in a previous step.

Use the inclusion filter of resource.type="gce_subnetwork" AND log_id("compute.googleapis.com/vpc_flows")

Field	Value
Sink name	Any value ( e.g. neto-flowlogs-sink)
Sink description	Any value (e.g. Netography Fusion flow log ingest)
Sink destination service type	Cloud Pub/Sub topic
Sink destination Cloud Pub/Sub topic	Create a topic or use topic created in previous step
Inclusion filter	resource.type="gce_subnetwork" AND log_id("compute.googleapis.com/vpc_flows")

✅You're done!