This documentation is for WSO2 Enterprise Service Bus version 4.8.1 . View documentation for the latest release.

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Messages come into the ESB through the following triggers:

  • A proxy service receives messages that have been sent to a specific endpoint.
  • A task injects a message into the ESB at a scheduled interval.
  • A REST API call sends a message to the ESB.

When the ESB receives a message, it sends it either to a proxy service or to the Main sequence for handling. The proxy or sequence is configured with message mediation, which controls how the message will be transformed, filtered, forwarded, etc. 

To trigger messages in the ESB, see the following topics:

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