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This Level 3 documentation and implementation diagram shows an example of a process flow for the passed messages pattern that includes a publisher, a subscriber, and a message. The message is split into multiple parts, which are transformed individually and then reassembled prior to being sent to the subscriber.

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Pattern Overview

The passed messages pattern incorporates a streaming message platform to address issues like spikes in volume and complex data transformations. It works by segmenting the message handling logic into multiple components:

This is a Level 3 Documentation and Implementation diagram according to the Salesforce diagram framework.

Learn more by reading the Architect's Guide to Event-Driven Architecture with Salesforce.