gcloud alpha functions call

NAME: gcloud alpha functions call - triggers execution of a Google Cloud Function
SYNOPSIS: gcloud alpha functions call (NAME : --region=REGION) [--cloud-event=CLOUD_EVENT | --data=DATA] [GCLOUD_WIDE_FLAG …]
DESCRIPTION: (ALPHA) Triggers execution of a Google Cloud Function.
EXAMPLES: To call a function, giving it 'Hello World!' in the message field of its event argument (depending on your environment you might need to escape characters in --data flag value differently), run:
gcloud alpha functions call helloWorld --data='{"message": "Hello World!"}'

Note that this method has a limited quota which cannot be increased. It is intended for testing and debugging and should not be used in production.
Calls to HTTP-triggered functions are sent as HTTP POST requests. To use other HTTP methods, use a dedicated HTTP request tool such as cURL or wget.
POSITIONAL ARGUMENTS: Function resource - The Cloud function name to execute. The arguments in this group can be used to specify the attributes of this resource. (NOTE) Some attributes are not given arguments in this group but can be set in other ways.
To set the project attribute:

provide the argument NAME on the command line with a fully specified name;

provide the argument --project on the command line;

set the property core/project.

This must be specified.

NAME

ID of the function or fully qualified identifier for the function.
To set the function attribute:

provide the argument NAME on the command line.

This positional argument must be specified if any of the other arguments in this group are specified.

--region=REGION

The Cloud region for the function. Overrides the default functions/region property value for this command invocation.
To set the region attribute:

provide the argument NAME on the command line with a fully specified name;

provide the argument --region on the command line;

set the property functions/region.
FLAGS: At most one of these can be specified:

--cloud-event=CLOUD_EVENT

JSON encoded string with a CloudEvent in structured content mode.
Mutually exclusive with --data flag.
Use for Cloud Functions 2nd Gen CloudEvent functions. The CloudEvent object will be sent to your function as a binary content mode message with the top-level 'data' field set as the HTTP body and all other JSON fields sent as HTTP headers.

--data=DATA

JSON string with data that will be passed to the function.
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 alpha and might change without notice. If this command fails with API permission errors despite specifying the correct project, you might be trying to access an API with an invitation-only early access allowlist. These variants are also available:
gcloud functions call

gcloud beta functions call