The reference object for this parameter Connector for Yammer related functions. <a href="https://www.yammer.com">Yammer</a> is a social-network-like internal corporate communications system, where users are able to post messages, follow users, images and so on in a manner like Facebook or Twitter. This connector allows to: <ul> <li>Retrieve messages</li> <li>Retrieve received messages</li> <li>Retrieve private messages</li> <li>Retrieve sent messages</li> </ul> <p> It's necessary to set in yammer (https://www.yammer.com/client_applications where you can create an application or edit it) the next Callback URL:<br/> <br/> http://{host:{port/yammerCodeRetrievingPath<br/> <br/> where the {host is the same host as the Website of the yammer application.<br/> <br/> Then you have to configure yammer:<br/> <br/> &lt;http:connector name="connector.http.mule.default" enableCookies="true" keepAlive="true" /&gt;<br/> <br/> &lt;yammer:config consumerKey="${consumerKey" consumerSecret="${consumerSecret"&gt;<br/> &lt;yammer:http-callback-config domain="{host" remotePort="SOME_PORT" localPort="{port" /&gt;<br/> &lt;/yammer:config&gt;<br/> <br/> where {host and {port are the same of the Callback URL used before.<br/> </p> Config for http callbacks. Give a name to this configuration so it can be later referenced by config-ref. The OAuth consumer key The OAuth consumer secret If connector should be run in debug mode. This enables logging of HTTP activity against Yammer Answers all messages in this network. Corresponds to the "Company Feed" tab on the website. Specify which configuration to use for this invocation. Answers the whole list of messages sent by the current user. Corresponds to the "Sent" tab on the website. Specify which configuration to use for this invocation. Answers the list of messages received by the logged-in user. Corresponds to the "Received" tab on the website. Specify which configuration to use for this invocation. Answers the whole list of private Messages (aka Direct Messages) for the logged-in user. Corresponds to the "Direct Messages" section on the website. Specify which configuration to use for this invocation. Answers the list of messages followed by the logged-in user. Corresponds to the "My Feed" tab on the website. Specify which configuration to use for this invocation.