After you publish a text message to a topic, SMN will deliver the message to all confirmed subscription endpoints in the topic.
Subscribers in the topic must have confirmed the subscription, or they will not be able to receive any messages.
on the upper left to select the desired region and project.The SMN console is displayed.
In the navigation pane, choose Topics.
The Topics page is displayed.
Parameter |
Description |
|---|---|
Subject |
(Optional) The message subject is a string of less than 512 bytes. |
Message Format |
The message format can be Text, JSON, or Template. In this context, you need to select Text.
|
Message |
This is the message content, which cannot be left blank nor exceed 256 KB. |

SMN delivers your message to all subscription endpoints. For details about messages for different protocols, see A.3 Messages of Different Protocols.