Messaging & Notifications

Wire Flow messaging and notification tasks for sending emails and publishing MQTT messages to IoT devices from within a workflow.

Send Email

Sends an email from within a workflow. All fields support dynamic values from the workflow state.

Field	Description
To	Static ([e-mail]) or dynamic ($.body.recipient)
Subject	Supports {$.body.field} placeholders
Body	Plain text or HTML. Supports {$.body.field} placeholders

The "From" address is configured at the environment level.

Example:

To:      $.body.customerEmail
Subject: Order {$.body.orderId} confirmed
Body:    Hello {$.body.customerName}, your order has been processed.

IoT MQTT Publish

Publishes a message to an MQTT topic on AWS IoT Core. Use this to send instructions or status updates to edge devices.

Field	Description
Topic	Static or dynamic: factory/{$.body.lineId}/commands
Payload	JSONPath to select a subset of state to publish. Leave empty to publish the full state body