# Using the batch publish message action
The batch publish action enables you to publish a batch of messages to a specific topic in Workato. Other recipes can then pick up all messages published to that topic, using Event streams triggers.
One action can publish up to 100 messages at a time. The topic schema defines the action input fields available here.
Select the topic and fill in the input fields to configure the publish message action
Note that you need to use a list of messages as a datapill.
PAYLOAD SIZE LIMITATIONS
Payloads for the Event streams connector are limited to 512 KB per message. To publish messages with payloads up to 1 MB, use the Event streams public API.
Last updated: 12/16/2024, 4:14:18 PM