gcloud beta app create

NAME
gcloud beta app create - create an App Engine app within the current Google Cloud Project
SYNOPSIS
gcloud beta app create [--region=REGION] [--service-account=SERVICE_ACCOUNT] [GCLOUD_WIDE_FLAG …]
DESCRIPTION
(BETA) Create an App Engine app within the current Google Cloud Project.
EXAMPLES
To create an app with region chosen interactively, run: 
gcloud beta app create

To create an app in the us-central region, run: 

gcloud beta app create --region=us-central

To create an app that with a user-managed service account, run: 

gcloud beta app create --service-account=SERVICE_ACCOUNT
FLAGS
--region=REGION
The region to create the app within. Use gcloud app regions list to list available regions. If not provided, select region interactively.
--service-account=SERVICE_ACCOUNT
The app-level default service account to create the app with. Note that you can specify a distinct service account for each App Engine version with gcloud app deploy --service-account. However if you do not specify a version-level service account, this default will be used. If this parameter is not provided for app creation, the app-level default will be set to be the out-of-box App Engine Default Service Account, https://cloud.google.com/appengine/docs/standard/python3/service-account outlines the limitation of that service account.
GCLOUD WIDE FLAGS
These flags are available to all commands: --access-token-file, --account, --billing-project, --configuration, --flags-file, --flatten, --format, --help, --impersonate-service-account, --log-http, --project, --quiet, --trace-token, --user-output-enabled, --verbosity.

Run $ gcloud help for details.

NOTES
This command is currently in beta and might change without notice. This variant is also available: 
gcloud app create