Available options to pass to
Auth Variable Override
The object to use as the
variable in your Realtime Database Rules when the Admin SDK reads from or
writes to the Realtime Database. This allows you to downscope the Admin SDK
from its default full read and write privileges.
You can pass
null to act as an unauthenticated client.
See Authenticate with limited privileges for detailed documentation and code samples.
The URL of the Realtime Database from which to read and write data.