The log level, from 0 to 3. In order it matches verbose, info, warning and error.
verbose
info
warning
error
The line number of the source that triggered this console message
The actual console message
The type of source for this message. Can be javascript, xml, network, console-api, storage, rendering, security, deprecation, worker, violation, intervention, recommendation or other.
javascript
xml
network
console-api
storage
rendering
security
deprecation
worker
violation
intervention
recommendation
other
The URL the message came from
The version ID of the service worker that sent the log message