Required. User-defined unique ID of this environment. The environment_id must be 1 to 63 characters long and contain only lowercase letters, numeric characters, and dashes. The first character must be a lowercase letter and the last character cannot be a dash.
Path to a Bash script that automatically runs after a notebook instance fully boots up. The path must be a URL or Cloud Storage path. Example: "gs://path-to-file/file-name"