Messages Using Different Protocols

Message contents delivered to endpoints using different protocols may differ.

Email or HTTP/HTTPS endpoints will receive the message subject, content, and a link to unsubscribe.

FunctionGraph (function) messages contain the message attributes, subject, content, and topic URN. Table 1 describes parameters in FunctionGraph (function) messages. The following is an example message:

{     
   "record": [{
       "event_version": "1.0",         
       "smn": {             
           "message_attributes": "",            
           "subject": "Welcome",            
           "message_id": "e6fa59c6b3e0424c9c02cbed35b680e7", 
           "topic_urn": "urn:smn:regionId:66e0f4622d6f4e3fb2db2e495298a61a:smn_123",           
           "type": "notification",             
           "message": "Hello",            
           "timestamp": "2017-08-17T10:07:14Z"                             },        
       "event_source": "smn",        
       "event_subscription_urn": "urn:cff:regionId:66e0f4622d6f4e3fb2db2e495298a61a:function:DEFAULT:mytest:latest"     
       }]
}

Table 1 Parameters in a FunctionGraph (function) message
Parameter	Type	Description
record	JSON object	Message list
event_version	String	Version
message_attributes	String	Message attributes
subject	String	Message subject
message_id	String	Message ID
topic_urn	String	Topic URN
type	String	Message type
message	String	Message content
timestamp	String	Timestamp
event_source	String	Message source
event_subscription_urn	String	Subscription URN

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Template Message Format

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