# Amazon SNS - Publish message action

The Publish message action publishes a message to a specified topic.

# Input

Input field Description
Topic Name Use the drop-down menu to select a message topic.
Subject Enter a subject tile for the message.
Message format Select the message format. Select JSON to send different messages for each transport protocol. Select Raw to send the same message to all protocols. Refer to the Amazon documentation (opens new window) for more information.
Message Provide the message content. For Raw, enter a single message for all protocols. For JSON, define the message schema and enter the message content. Refer to the Configure message schema section for more information.
Message attributes schema Enter values to define your message attribute schema. Enter a Name, Type, and Value for each attribute. Refer to the message attributes (opens new window) section for more information.

# Configure message schema

Define the message schema to send different messages for each transport protocol.

Refer to the Amazon documentation (opens new window) for more information.

Sample message schema Input field generated
Define schema
Define message schema with JSON snippet
Message schema input field
Message schema input field

# Output

Output field Description
Message ID The message ID.


Last updated: 5/21/2025, 5:22:32 AM

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