gcloud pubsub topics publish

NAME: gcloud pubsub topics publish - publishes a message to the specified topic
SYNOPSIS: gcloud pubsub topics publish TOPIC [ --attribute =[ ATTRIBUTE , …]] [ --message = MESSAGE ] [ --ordering-key = ORDERING_KEY ] [ GCLOUD_WIDE_FLAG … ]
DESCRIPTION: Publishes a message to the specified topic name for testing and troubleshooting. Use with caution: all associated subscribers must be able to consume and acknowledge any message you publish, otherwise the system will continuously re-attempt delivery of the bad message for 7 days.
EXAMPLES: To publish messages in a batch to a specific Cloud Pub/Sub topic, run:
gcloud pubsub topics publish mytopic --message = "Hello World!" --attribute = KEY1 = VAL1,KEY2 = VAL2
POSITIONAL ARGUMENTS: Topic resource - Name of the topic to publish messages to. This represents a Cloud 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 topic 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.

TOPIC

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

provide the argument topic on the command line.
FLAGS: --attribute =[ ATTRIBUTE ,…]

Comma-separated list of attributes. Each ATTRIBUTE has the form name="value". You can specify up to 100 attributes.

--message = MESSAGE

The body of the message to publish to the given topic name. Information on message formatting and size limits can be found at: https://cloud.google.com/pubsub/docs/publisher#publish

--ordering-key = ORDERING_KEY

The key for ordering delivery to subscribers. All messages with the same ordering key are sent to subscribers in the order that Pub/Sub receives them.
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: These variants are also available:
gcloud alpha pubsub topics publish

gcloud beta pubsub topics publish

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gcloud pubsub topics publish