# New message trigger
This trigger monitors a message topic and picks up new messages that are published. Each message received will be processed as an individual new job.
# Input
| Field | Description |
|---|---|
| Topic name | Select the message topic from the picklist. |
| Message format | Select the message format. The message format will determine the output of this trigger. Learn more here (opens new window). |
| Message schema Only for JSON message format | Define the message schema. |
| Message attributes schema | Define the message attribute schema, if any. |
# Output fields
| Field | Description |
|---|---|
| Type | The type of message. |
| Message ID | A unique message ID. |
| Topic ARN | The Amazon Resource Name (ARN) for the topic. |
| Topic name | The topic name. |
| Subject | The Subject parameter specified when the notification was published to the topic. |
| Timestamp | The time (GMT) when the subscription confirmation was sent. |
| Signature version | The version of the Amazon SNS signature used. |
| Signature | The encoded signature. |
| Signing cert URL | The URL to the certificate that was used to sign the message. |
| Message | The message. The datatype of this datapill depends on the trigger configuration. |
| Message attribute | The message attributes. This depends on the trigger configuration. |
Last updated: 7/2/2021, 10:09:23 AM