Publishing Messages

This topic describes how to publish messages directly using the Notifications service. You can manually enter the message content or allow a service or app to programmatically define the message content.

Each message is broadcast to all subscriptions in the specified topic . Every message sent out as email contains a link to unsubscribe from the related topic.

Message delivery rate limits per endpoint: 60 messages per minute for HTTP-based protocols. (HTTP-based protocols use URL endpoints that begin with "http:" or "https:".) 10 messages per minute for Email protocol.

Warning

Avoid entering confidential information when assigning descriptions, tags, or friendly names to your cloud resources through the Oracle Cloud Infrastructure Console, API, or CLI.

Prerequisites

IAM policies: To use Notifications, you must be given the required type of access in a policy written by an administrator, whether you're using the Console or the REST API with an SDK, CLI, or other tool. If you get a response that you don’t have permission or are unauthorized, check with your administrator. You may not have the required type of access in the current compartment . For more information on user authorizations, see Notifications Overview.
Before you can publish a message, you need a topic with at least one subscription. See Managing Topics and Subscriptions.

Creating Automation with Events

You can create automation based on state changes for your Oracle Cloud Infrastructure resources by using event types, rules, and actions. For more information, see Overview of Events.

Using the Console

To publish a message

Open the navigation menu. Under Solutions and Platform, go to Application Integration and click Notifications.
On the Topics page, for the topic you want, click the Actions icon (three dots), and then click Publish Message.
In the Publish Message dialog box, fill in the fields:
- Title: Enter the title you want to send.
  
  Rendering of the title by protocol
- Message: Enter the content you want to send.
  
  Note
  
  Message size limit per request: 64KB.
Click Publish.

Protocol	Rendering of the title
Email	Subject line of the email message.
HTTPS (Custom URL)	Not rendered.
PagerDuty	Title field of the published message.
Slack	Not rendered.

Using the API

For information about using the API and signing requests, see REST APIs and Security Credentials. For information about SDKs, see Software Development Kits and Command Line Interface.

Use these API operations to publish messages:

PublishMessage

Oracle Cloud Infrastructure Documentation

Publishing Messages

Prerequisites

Creating Automation with Events

Using the Console

Using the API