projectId. Schedules
nightly collection and analysis; can set connectionName and a webHook.projectId (+ optional new webHook); does not
collect data.GCP project ID to analyze (required even if the credential maps to multiple projects).
GCP service account credential (inline JSON). Docs show both string and object usage.
Unique within GCP connections; defaults to the project ID.
32Policy instance to use for analysis (optional, shown in example).