Outbound Messaging

What is Outbound Messaging?

• Outbound messaging is a declarative solution to integrate salesforce with 3^rd party application.
• Outbound messaging enables near real-time integration.
• Messages fire based on triggered workflow rules or approval process.
• Messages are sent to any service exposed on the intranet or internet

Outbound Messaging facts-

Outbound Messaging is:

• Reliable – Means in case of any failure, it automatically retries in interval 30 sec, 1 min, 2 min 4 min so on till it reaches to 2 hours and then it will retry after every 2 hours up to 24 hours.
• Secure-
• Support HTTP/HTTPs
• Support two-way authentication using certificate
• Outbound message contain Salesforce.com Organization Id which helps to provide details that the request came from which org

Outbound Messaging is done declarative-

• Workflow rule can be used to fire the outbound message
• Approval process can be used to fire the outbound message

Expending Outbound message-

• It generated SOAP Message and posted to external system. When you define Outbound message, it creates the WSDL file is used by external system.
• Outbound messaging is one-way and asynchronous, but two-way communication can be achieved using a callback.
• It can contain the enterprise or partner URL and session ID Token.
• Simulates request/reply asynchronously 

Outbound Message Properties-

• Queued until they are sent & Dropped from queue after 24
• Retry interval increases exponentially up to 2 hours
• Only the latest changes to the object will be delivered
• Not available in a junction object
• You can monitor also.

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